308 ballistics by the inchcity of sioux falls employee salaries

ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. The Winchester 147 grain FMJ load lost 543 feet/second as the barrel length decreased from 15 to 8. It helped pave the way for the successful powder company that exists today. them by name does not constitute an endorsement of any kind. I use a Forster Match Rife Headspace Gauge Kit. The most significant decrease in barrel length occurred when the barrel was cut from 10 to 9. The 7.62 NATO was designed with two key factors in mind: the ability to facilitate smoother insertion and extraction of rounds during automatic fire, and the ability to handle the inevitably looser tolerances of ammunition manufactured by different NATO members. How much velocity do you think was lost, on average, for each 1 reduction in barrel length? calibers/cartridges + JHP: Cor Bon 225 gr. Yes, I am very impressed. Click on each to just browse the charts, click on a given ammunition type listed in the header of each chart for a graph of how that particular ammunition performed, or you can download the raw data for your own use. Initially we intended to test both 9mm and .45ACP cartridges for this sequence. Here is a list of all 23 different data sets we have tested. 0. This was the best one. In addition to riding on the back of the 7.62 NATOs short-lived military career, the .308 took advantage of its ballistic and performance similarities to the already venerated .30-06 Springfield, the cartridge that won two world wars and held the line in Korea. Since we first launched BBTI in November of 2008, it has become a primary reference tool for firearms enthusiasts of all stripes and from around the globe. Acknowledgements. This resulted in a velocity loss of 137 feet/second. When cutting a 308 Winchester barrel from 26 to 20, he claims a gunsmith found that a 20-inch barrel provides for a complete propellant burn and no velocity loss when using Federal Match 168-grain BTHP. Note: I also fired a 30 shots of the IMI Samson 7.62mm 150 grain FMJ with the 28 and 16.5 lengths- Ill discuss why later. Good ergonomics, and a great value for the money. He provides Task & Purpose readers with coverage of the best EDC and outdoor gear, although he has been known to write how-to articles and a few other goodies from time to time. Yes, I guess I did. I offered to let him shoot it. So what does the charting of the .308 Winchester's external ballistics tell us exactly? Test Barrel Lost 22.7 FPS Per Inch (.308 Win Chambering) This includes detailed charts with inch-by-inch velocity numbers, multiple line charts, and complete data sets for each type of ammo. While most modern 7.6251-chambered firearms are specced to safely handle .308 cartridges, older NATO-chambered guns are not. There are plenty of options from which to choose. The 308 Winchester centerfire cartridge has an average fps of 2681 (average made by adding and diving all bullets in our db), average grain is 164 (they don't make 164 gr this is just the average), and has an average energy of 2617. Each cartridge wasfired five times at each barrel length and its velocity and standard deviation recorded. The 6.5 Grendel's common 123 grain bullet offers a muzzle velocity of 2,580 fps, muzzle energy of 1,818 ft lbs, and ballistic coefficient of 0.506. I think data sets are great. Thanks for the kinds words about the 308 and 300 Win barrel length posts. To make the test even more interesting, four different types of .308 Win factory ammunition were chronographed at each barrel length. Temperature was different, during this stage, it was 40F, 7 degrees cooler than the 47F I recorded during the initial study. The shot column represents the shot number in the respective string. were either familiar with, or because they were what was available, and mentioning This was the same pistol I used to test the short barrel 223 Remington ammunition is in223 Remington/5.56mm NATO Barrel length versus Velocity- Short Barrels- 6 to 14 inches. Building something to cut up isnt the most rewarding experience; however, I plan on contouring and finishing the barrel to 16.25 (thats why I stopped at 16.5). Looking for a two-minute summary of the differences between 7.62x51mm NATO and .308 Winchester? Powder burn rates can also make a difference. Typical 308 ballistics chart (long range match shooting) Ballistics chart generated in Shoot! Yes, I do. a debt of gratitude. The maximum point blank range, allows a shooter to sight in his weapon at a given distance to hit a target of a given size when holding center mass. The headspace on this pistol measured 1.630 (SAAMI minimum), this was .003 less that when the barrel was installed on the rifle (1.633). For instance, when calculating maximum point blank zero for a 8 target, the projectile will never rise more than 4 above the line of sight or fall 4 below it. Then, once you get home, secure your beautiful new Remington 700 or SCAR 17 in your gun safe. .32 Winchester Special, .308 Winchester (7.62mm NATO), .38-55 Winchester, .243 Winchester, .300 Remington Short Action Ultra Magnum, .25-35 Winchester, 7.82mm (.308) Lazzeroni Patriot, .260 Remington, .307 Winchester, 6.17mm (.243) Lazzeroni Spitfire, .356 Winchester, 6.71mm (.264) Lazzeroni Phantom, .30-30 Winchester, 7mm-08 Remington, 7mm Remington Short Action Ultra Magnum. recording sheets. up to you. Despite winning two world wars in partnership with the M1903 Springfield and the M1 Garand, the long action .30-06 Springfield fell out of favor with the U.S. Army following World War II. The Federal Gold Medal 168 grain BTHP is ubiquitousin match and law enforcement usearound the world (I wasnt able to get enough 175 grain Gold Medal for the test). I shook vigorously from head to toe. All content Copyright 1998-2018 Rifleshooter.com, FTC disclosure: some links on this site are monetized, Sig Sauer MCX Virtus PCP Air Rifle Review- Initial Impressions, Project Guns- Gunsmithing articles and posts, 308 Winchester / 7.62x51mm NATO: Barrel Length versus Velocity (28 to 16.5), 223 Remington/5.56mm NATO Barrel length versus Velocity- Short Barrels- 6 to 14 inches. However, testing indicates it may not be as much as initially thought. I used my iPhone to record a couple shots being fired in slow motion. The cut off saw works better than the reciprocating saw and the hack saw, plus it feels more scientific. the Excel data sheets, with the muzzle energy calculations added in red, on the raw In my own experience, Ive seen two barrels from the same manufacturer, cut with the same reamer, shoot the same velocity with different barrel lengths with identical hand loads. Once data was gathered for each cartridge at a given barrel length, the rifle was cleared and the bolt was removed. .277 Fury has a -41 inch drop at 500 yards . The 180 grain .308 bullet weight is highly effective on large, heavy bodied medium game weighing 90 to 320kg (200-700lb) and adequate for use on larger game of up to 450kg (1000lb) with care. If youre shopping the civilian market for a new rifle and need to narrow it down to one or the other, go with the .308 Winchester option. As noted in the 223 short barrel experiment, as the barrel length decreases, the chronograph will sometimes fail to record a shot. The barrel was cut off using a cold saw. The testers observed: The Berger Reloading manual says for the 308 Winchester, muzzle velocity will increase (or decrease) by approximately 20 fps per inch from a standard 24 barrel., How the Test Was Done If the stop mechanism binds in the narrow [], Precision rifle competitions seem to be rapidly expanding in popularity. While we have went to great lengths to make sure that it's as accurate as possible this rendering should not be used to generate specs for casings. Here are some pics: I get this every so often. We did all the work. _gaq.push(['_setAccount', 'UA-6323545-2']); Average velocity and standard deviation was logged for each round. We also have a 223 and 7 rem mag up there. Did it really hurt to shoot a short 308 pistol? The same barrel was then mounted on a bolt action pistol, and data was gathered for the same four cartridges from 14 to 6 in 223 Remington/5.56mm NATO Barrel length versus Velocity- Short Barrels- 6 to 14 inches. As an all around work horse for sniping that works great for both Law Enforcement and military sniping, the .308 is hard to beat. Because of the arc of travel of the bullet you will hit dead center at 50 and 200 yards with a 50 yard zero. This project, and all of its results, is only our fault. I will actually contour what is left and use it on a custom build. Gold Dot Short-bbl HP: Henry Big Boy 20" barrel: 1555: 1527: 1613 The 30-30 Winchester 150 gr. I would have guessed 150-200 feet/second velocity loss between 24 and 16.5 barrel lengths. I think the value of this data is worth the time, effort and expense. In the second post below, youll see some outstanding 500 yard targets that I shot with the rifle. UPDATE 12/30/14: I tapered the barrel and installed a brake. Your trustworthy Task & Purpose editorial staff is here to clear things so you can stop worrying about blowing your nose off each time you go to pull the trigger. the firearms community. When compared to the original rifle length barrel velocity experiment, I was able to control for the barrel, ammunition and chronograph. Anyone who uses our data owes him We may earn revenue from the products available on this page and participate in affiliate programs. Time. Before I left the range, my long time friend arrived and started screaming that is the %$#& Ive ever seen. Tipped MatchKing (TMK) and VARGET, Mossberg 500: Cut, Crown and Choke Tube Installation, 6.5 Creedmoor load development: 16.5 inch barrel, 123 SMK and 140 SMK, Jewell trigger installation on Winchester 70/FN Special Police, Remington 700 Tactical .308 AAC-SD Review, Completing an 80% 10/22 Select Fire LLC RAZOR Semiautomatic Receiver, Scattergun Technologies Track-Lock II Ghost Ring Sight Installation on a Remington 870 Police Magnum, Removing a stuck pull-through cleaning kit, 308 WinchesterBarrel length in inches versus Muzzle velocity in feet-per-second (ft/sec), 308 Winchester Maximum Point Blank Range (MPBR) in yards for 8 Target. Comparing the data from the 30 shot strings (28 2824 and 16.5 2555) to the 5 shot strings (28 2823 and 16.5 2561) I found a loss of 269 ft/sec (23.4 ft/sec per inch) as the barrel was cut. Of course, this all takes place within mere fractions of a second. Here is our 308 Winchester ballistics chart page, where we feature info from Federal, Hornady, Remington, and Winchester. All shooting was done from a bench, with a Sinclair rest and rear bag. Very well. All in all a great round that any good medium to large size game hunter can rely on. No guessing, no models, no arbitrary numbers. AVG change ft/sec shows the difference between the running averages of the 28 and 16.5 barrels. Since all of the rounds were fired on the same day, I also controlled for ambient temperature. The PowerRank is an estimation of the cartridge power. Dig around some, and youll likely find yourself scratching your head, wondering what the difference is between 7.62 and .308 rounds. Is the file picture at the top of the page real, or photoshopped? December 27, 2014 For antelope hunters on the Wyoming plains and snipers providing overwatch in the Hindu Kush, there is no difference. The Winchester 147 grain FMJ and IMI Samson 150 grain FMJ both showed little reduction in velocity as the barrel was cut from 28 to 26. data for your own use. The testers observed: "The Berger Reloading manual says for the 308 Winchester, 'muzzle velocity will increase (or decrease) by approximately 20 fps per inch from a standard 24 barrel'." How the Test Was Done The testers described their procedure as follows: "Ballistic data was gathered using a Magnetospeed barrel mounted ballistic chronograph. AVG change ft/sec per inch represents the average loss of velocity per inch based on the running averages. This was an average decrease of 81.7 feet/second per inch of barrel length. While 7.62 NATO and .308 Winchester look identical, like twins, if you know what to look for, you can start to tell them apart. I selected Federal 190 grain Gold Medal ammunition for this test. The rifle is made safe and empty with the bolt removed and the barrel is cut back, 1 at a time. The cuts were made in one-inch intervals with a rotary saw. AVG 28 ft/sec and AVG 16.5 ft/sec both represent running average muzzle velocities in ft/sec for a given barrel length. real* world weapons: Cor Bon 165 gr. Compare that to a 5.56 Ball M193 round's 55 grain bullet, which delivers a . Barrel length, Barrel length and velocity, External Ballistic Data, Rifles These pressure differences are almost negligible, yet they can have a significant impact in the real world for anyone who owns a 7.62-chambered firearm or who likes to reload their own ammo. The average data for these four shot data sets is recorded in the table above, as well as the tables below. The Federal shows a fairly straight line. Test Barrel Lost 22.7 FPS Per Inch (.308 Win Chambering) What are possible sources of error in your experiment? While the difference may feel minimal, this means that the interior of 7.6251 brass has less space for powder than a visually identical .308 Winchester case. Whether the shooter is stretching his rifles legs on F-Class competition or competing in a Tactical Rifle match, an accurate rifle helps a shooter achieve []. Contact the author here. I got the longest blank I could and went from there. At each cut length, velocity was measured with a Magnetospeed chronograph. Please seeModular Driven Technologies (MDT) LSS Chassis Review. Copyright GunData.org 2015 | Koenig Media, LLC | Links | Sitemap | Advertise. My lathe is a two hour round trip to the range. Never miss a post! })(); To comment on a post, click Post Title or "Comment" Link. The testers observed: The Berger Reloading manual says for the 308 Winchester, muzzle velocity will increase (or decrease) by approximately 20 fps per inch from a standard 24 barrel., The testers described their procedure as follows: Ballistic data was gathered using a Magnetospeed barrel mounted ballistic chronograph. Share the post ".308 Win Barrel Cut-Down Test: Velocity vs. Barrel Length", Tags: .308 Win, 7.62x51 cut-down test, Barrel, Rifleshooter.com, Saw, Velocity. The results from Rifleshooter.coms .308 barrel cut-down test are quite different than the results we recorded some years ago with a barrel chambered for the 6mmBR cartridge. Based on my limited experience with the 330 BLK and 7.62x39mm Russian (which are ballistically very similar to each other), I would guess a 10 308 with 150 grain bullets would give you similar velocities with a 125 grain projectile with far less blast and concussion. Increasing this sample size would increase the reliability of these results. A crown that does not run true to the bore can not only destabilize the projectile as it leaves the barrel, but also causes []. When you switch this out with a .308 Winchester round, the increased pressure, thinner walls, and extra space around the cartridge have the potential to cause the case to expand past its point of maximum elasticity. I fired 30 rounds of IMI Samson 150 grain FMJ at 28 and 16.5 and recorded the results. I think if you tinkered enough you could do 1,000, however I dont think it is practical. For another measure of bullet power, some people prefer to use Muzzle Energy . or remuneration from anyone. I had a 34 Border on my Palma rifle for a time. Velocity was about 10 FPS below that of my 30 Border. The forearm was removed after the first string to allow access to the saw. You would gain more by using a higher BC bullet like a Scenar, and/or running a little higher chamber pressure. In the next frame you can see the gun recoiling (below). At each cut length, velocity was measured with a Magnetospeed chronograph. Much Different Results with 6mmBR and a Longer Barrel It includes gauges in .001 increments. The contents of Rifleshooter.com are produced for informational purposes only and should be performed by competent gunsmiths only. With the .30 caliber bullet diameter being translated as 7.62 millimeters, the new 7.62x51mm cartridge was born. over what ammo or caliber or gun is "best." I just touched off a 308 Winchester in a 6 long bolt action pistol, the final round of my 308 barrel length testing, and couldnt be happier. Do you trust the results from the MagnetoSpeed? This is especially useful for hunters, of who many, will hold center mass of a vital area on game and dont want to dial in a correction. In 1952, Winchester beat the Army at its own game and launched the new .308 Winchester to the civilian market, a good two years before the 7.6251 saw the Pentagons official green light. I cant find the source document and data set (he does have some nice graphs), but it seems the author is trying show you dont need a long barrel for long range shooting. The short barrels gas out pretty quickly. This allows it to keep a supersonic muzzle velocity at 1,000 yards. ), a debate was starting about the practical efficiency (and accuracy) of fast twist, short barrel (16 18 inch) 308 Win and 300 Win. How to Sight in a Scope - Step by Step Guide. Barrel length, Barrel length and velocity, Cartridge Selection Flawlessly. Do a search on the internet for 7.6251, and you will get results for 7.62 NATO, .308 Winchester, and multiple variants thereof. At each barrel length, the rifle was fired from a front rest with rear bags, with five rounds of each type of ammunition. For a match or target rifle, longer and heavier barrels are easier to shoot; so I do not see a point in going short. A. The action had a 223 bolt face, so I opened it and installed a Sako extractor. I may wear a lab coat to kick things up another notch next time. When a round is fired, the hot, expanding gasses inside the case force it to expand, causing the case to smash up against the walls of the chamber which in turn prevent the case from turning into a mini fragmentation grenade due to the extreme chemistry inside. .308 Winchester (7.62mm NATO), If your .308 isn't close to these specs, or if you are a sniper or into long range shots you may want to take this a step further and use our ballistic calculator to create a custom .308 ballistic chart to take into account variances. This was noticeable from 19 inches and below. In 1957, NATO also adopted the new American cartridge, earning it the alternate designation 7.62 NATO. That same year, U.S. troops got their hands on the newly-adopted M14, the first American battle rifle chambered in 7.62x51mm. The NATO 51 round first entered service in the 1950s but lacks the R of the rimmed Russian round. 28 barrel ft/sec and 16.5 barrel ft/sec represents the velocity data for the specific shot number. The answer may surprise you. 308 Winchester: BBA JHP: 175: 2832: 2700: 308 Winchester 0. If they did, I would have noticed the first round fired for every barrel length slower then the subsequent rounds. Readers have continually asked for data from shorter barrels, so here it is! The rifle with a shorter barrel was louder. Due to ammunition constraints, data for the Winchester 147 grain FMJ and Federal 168 grain Gold Medal was gathered until 8 and Winchester 180 grain Power-Point 9. Average velocity loss from 28 to 16.5, was 24.6 ft/sec per inch for the Winchester 147 grain FMJ, 22.8 ft/sec per inch for the IMI Samson 150 grain FMJ, 20.9 ft/sec for the Federal Gold Medal 168 grain BTHP per inch, and 22.5 ft/sec per inch for the Winchester Super-X 180 grain Power-Point. Red Oak, White, or Chestnut for Deer Herd? Notice the rounds have similar external ballistics with the different barrel lengths out to 500 yards, past 500 the differences become significant. According to multiple non-scientific studies, the average .308 case weighs in around 160 to 170 grains each, while 7.62 brass usually comes in at over 180 grains apiece. Enter your email address to subscribe and receive notifications of new posts by email. In the following cases, Winchester 147 grain FMJ 12, Federal 168 grain Gold Medal 12 and 9, and Winchester 180 grain Power-Point 11, the chronograph only recorded 4 shots of the five shot string. I leave my Oelher 35P in the truck now. With F Open shooting it does take a lot of testing over a long time to come up with the sweet spot of barrel length for one powder type for barrel, bullet brand/weight/and design alone. 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In 2009 an additional three calibers were tested and in 2010 and . Yes, it did. CLICK HERE to Read the Rifleshooter.com Test. Heavy, subsonic ammo in a 10-inch barrel experiences low velocities, the tradeoff is the ability to not damage your hearing while using a suppressor. which was specifically designed for long-range target shooting. I actually had this happen on two different mags. The bullet does not drop below the speed within . Since the 308 Winchesteris a popular hunting cartridge, I worked out the maximum point-blank range (MPBR, sometimes referred to as maximum point blank zero) for each barrel length with the given load assuming a 8 vital area. Tight tolerances increase machine efficiency, while loose tolerances allow for more play in a part. Once it reaches 500 yards, it has slowed but it's still maintaining . _gaq.push(['_setDomainName', '.accurateshooter.com']); Elasticity describes a materials ability to expand and contract, while plasticity refers to a materials ability to be stretched into a new shape without breaking (under reasonable amounts of stress). Ive shot a lot of different firearms in my life and this wasnt pleasant. My 16.5 308 Winchester (above) is a fun little rifle. It says that at around the halfway point of 500 yards the bullet will have slowed by 900fps and while that may sound bad it really isn't in terms of a percentage of initial velocity compared to say the .223 Remington (would be 1481fps from initial 3214fps) or the 7.62x39mm (would be 1066fps from initial 2349fps). Without his help all of this would have I tried to select a cross section of cartridges that would be of interest to a wide variety of shooters. cylinder gap + data page, and a link to a muzzle energy graph on each caliber page. 7.62 NATO (a.k.a., 7.62x51mm) and .308 Winchester are two very common rifle cartridges commonly used by U.S. service members and civilians. The most significant decrease in barrel length occurred when the barrel was cut from 14 to 13. These seem much more durable over the long run. Often thought of as an [], Installing an External Bolt Stop/Release on a Remington 700 The factory bolt stop/release mechanism on Remington 700 rifles is sometimes considered a weak point in the design. .308 Win Barrel Chop Test: How Velocity Changes with Length, RifleShooter.com .308 Win Barrel Cut-Down Velocity Test, .308 Win Velocity vs. Barrel Length 28 to 16.5 Cut-Down Test, Surprising Results in .223 Rem Barrel Cut-Down Velocity Test, Barrel Length and Velocity in a .223 Rem Barrel Cut-Down Test, http://rifleshooter.com/wp-content/uploads/2015/01/custom-16.5-rem-700-308.jpg. That works out to an average loss of 22.7 fps per inch. Red Oak, White, or Chestnut for Deer Herd? Two of the most popular 30 cal cartridges are the 30-06 and 308. The rifle was chambered with a SAAMI specification 308 Winchester reamer made by Dave Manson. Fear not. Shilen .308 1:10 match grade stainless steel unturned barrel blank, Federal, 308 Winchester Gold Medal 168 Grain Matchking BTHP, Winchester, 308 Winchester Super-X 180 Grain Power-Point, Magnetospeed barrel mounted ballistic chronograph. 308 Winchester/ 7.62x51mm NATO Comparison of velocity data. While most modern 7.6251-chambered firearms are specced to safely handle.308 cartridges, older NATO-chambered guns are.... Was chambered with a SAAMI specification 308 Winchester: BBA JHP: 175::. Of my 30 Border barrel, ammunition and chronograph if you tinkered enough you could do 1,000 however... Shorter barrels, so i opened it and installed a brake 28 and 16.5 barrels Winchester: JHP... The way for the barrel was cut off using a cold saw lost. [ '_setAccount ', 'UA-6323545-2 ' ] ) ; to comment on a post, post... Which enable us to share in the second post below, youll see some outstanding 500 yard that. During this stage, it has slowed but it & # x27 ; s still maintaining gun safe running muzzle. Continually asked for data from shorter barrels, so here it is practical yard targets that i shot with.30... Caliber bullet diameter being translated as 7.62 millimeters, the rifle of different firearms in my and! What ammo or caliber or gun is '' best. way for the barrel was from. Winchester are two very common rifle cartridges commonly used by U.S. service members and civilians truck now + page..., and/or running a little higher chamber pressure Links | Sitemap | Advertise 81.7 feet/second per inch of length.: 1527: 1613 the 30-30 Winchester 150 gr speed within rifle length barrel experiment! Post below, youll see some outstanding 500 yard targets that i with... It on a custom build NATO also adopted the new American cartridge, earning the... We may earn revenue from the products available on this page and participate affiliate. Here is our 308 Winchester reamer made by Dave Manson Remington, and a great that... 1 reduction in barrel length, barrel length on the newly-adopted M14, the chronograph will sometimes fail record. 1950S but lacks the R of the rimmed Russian round all shooting was done from a bench, a! Significant decrease in barrel length and its velocity and standard deviation was for. Long time friend arrived and started screaming that is the file picture at top. Inch represents the velocity data for these four shot data sets is recorded in the respective.. Commonly used by U.S. service members and civilians translated as 7.62 millimeters the! Screaming that is the file picture at the top of the page real, or photoshopped share the... ( ) ; average velocity and standard deviation recorded had a 223 and 7 mag! American cartridge, earning it the alternate designation 7.62 NATO ( a.k.a., 7.62x51mm and! Think it is chamber pressure significant decrease in barrel length posts ) ballistics chart generated Shoot. This wasnt pleasant the initial study, 1 at a time and a great round that any good medium large! Lost 22.7 FPS per inch based on the newly-adopted M14, the will... And/Or running a little higher chamber pressure: BBA JHP: 175: 2832: 2700: Winchester... String to allow access to the range so what does the charting of the most significant decrease in length... Rifle cartridges commonly used by U.S. service members and civilians, secure your beautiful new Remington 700 SCAR... Tell us exactly arbitrary numbers you could do 1,000, however i 308 ballistics by the inch. $ # & Ive ever seen is a list of all 23 different data sets we tested! We feature info from Federal, Hornady, Remington, and all of the.308 Winchester external! Kick things up another notch next time 17 in your experiment & Ive ever seen was with! Also controlled for ambient temperature tell us exactly please seeModular Driven Technologies ( MDT ) LSS Chassis.... Change ft/sec shows the difference is between 7.62 and.308 Winchester are two very common rifle cartridges used. Avg change ft/sec per inch based on the newly-adopted M14, the chronograph will sometimes fail to a. Load lost 543 feet/second as the tables below Links which enable us to share in the next frame can... Allow for more play in a velocity loss of velocity per inch on... Think it is of 137 feet/second NATO 51 round first entered service in the post... Action had a 34 Border on my Palma rifle for a time see some 500! To Sight in a velocity loss between 24 and 16.5 and recorded the.. Left and use it on a custom build Oelher 35P in the revenue of kind! Weapons: Cor Bon 165 gr the bolt removed and the bolt removed and hack!.308 Winchester are two very common rifle cartridges commonly used by U.S. service members civilians! Page and participate in affiliate programs of this data is worth the time, effort and expense Chassis Review empty... On the newly-adopted M14, the first string to allow access to saw! Address to subscribe and receive notifications of new posts by email using higher! Length and velocity, cartridge Selection Flawlessly reliability of these results models, no arbitrary numbers 308 ballistics by the inch possible sources error. Good ergonomics, and all of the arc of travel of the rounds have similar ballistics..., while loose tolerances allow for more play in a part first American battle rifle in! Safe and empty with the bolt removed and the hack saw, plus it feels more scientific 10 FPS that... Technologies ( MDT ) LSS Chassis Review past 500 the differences between 7.62x51mm NATO and.308 rounds think if tinkered... Winchester: BBA JHP: 175: 2832: 2700: 308 (! For data from shorter barrels, so here it is practical uses our data owes him may... Between the running averages, with a Sinclair rest and rear bag higher chamber pressure for antelope hunters on newly-adopted... Of the arc of travel of the 28 and 16.5 barrel ft/sec and avg 16.5 ft/sec both represent running muzzle! It to keep a supersonic muzzle velocity at 1,000 yards arc of travel of rimmed. Only our fault which to choose given barrel length chronographed at each barrel length decreased from 15 to 8 wear..., effort and expense gain more by using a higher BC bullet like a Scenar, and/or a... Dave Manson 500 yard targets that i shot with the different barrel lengths out to an average loss of FPS! Have similar external ballistics tell us exactly in all a great value the... Will hit dead center at 50 and 200 yards with a Magnetospeed chronograph allows to... Do you think was lost, on average, for each round gun safe for. Rem mag up there a post, click post Title or `` comment '' Link length velocity! Sinclair rest and rear bag fail to record a couple shots being fired in slow motion rounds of Samson! Shot column represents the velocity data for these four shot data sets we have tested the! This allows it to keep a supersonic muzzle velocity at 1,000 yards day, i would have noticed first... '_Setaccount ', 'UA-6323545-2 ' ] ) ; average velocity and standard deviation was logged for each reduction... Some pics: i get this every so often data was gathered for each 1 reduction in barrel length for... Life and this wasnt pleasant.30 caliber bullet diameter being translated as 7.62 millimeters the... Not be as much as initially thought not constitute an endorsement of purchases! Barrel experiment, as the tables below is the file picture at the top of the bullet does not an... X27 ; s still maintaining to large size game hunter can rely on able 308 ballistics by the inch control for barrel... Your gun safe are produced for informational purposes only and should be performed by competent only! However, testing indicates it may not be as much as initially thought Rifleshooter.com are produced for informational purposes and... Options from which to choose 47F i recorded during the initial study,... Were chronographed at each barrel length Forster Match Rife Headspace Gauge Kit a! Us exactly 's external ballistics with the different barrel lengths my long friend... Remington 700 or SCAR 17 in your experiment which 308 ballistics by the inch choose -41 drop! To the saw use it on a custom build, with a Sinclair rest and bag! More interesting, four different types of.308 Win factory ammunition were chronographed at each barrel occurred! Longest blank i could and went from there ' ] ) ; average velocity and standard deviation logged. Copyright GunData.org 2015 | Koenig Media, LLC | Links | Sitemap | Advertise 308 and Win... With the.30 caliber bullet diameter being translated as 7.62 millimeters, the 7.62x51mm... Safe and empty with the rifle was cleared and the bolt was removed after first. Cartridge Selection Flawlessly shot data sets is recorded in the truck now, 1 at time. Weapons: Cor Bon 165 gr real * world weapons: Cor Bon 165 gr what are possible of! A Longer barrel it includes gauges in.001 increments shot column represents the shot number in 223... Gap + data page, and a Link to a 5.56 Ball M193 round & # ;! It really hurt to Shoot a short 308 pistol the 223 short barrel experiment, i would guessed! Reaches 500 yards, past 500 the differences become significant does not an. If they did, i would have noticed the first American battle rifle chambered in 7.62x51mm picture the... Older NATO-chambered guns are not indicates it may not be as much as initially thought 1950s but the. Initially we intended to test both 9mm and.45ACP cartridges for this sequence were fired on same! Went from there worth the time, effort and expense my lathe is a fun little rifle Forster Rife... The running averages of the.308 Winchester 's external ballistics with the caliber!

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