308 ballistics by the inchBlog

308 ballistics by the inch

He didnt shoot the 16 300 Winchester Magnum I made a few months ago either! 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. The 7.6251 NATO chamber is imperceptibly longer than the .308 Winchester, extending between 0.006 and 0.010 inches beyond the .308 SAAMI specs. .357 SIG, .38 Super Auto Colt, .35 Whelen, .300 Remington Ultra Magnum, .35 Remington, .44 Smith & Wesson Special, .380 Auto (9mm Browning Short), 10mm Auto, .25 Winchester Super Short Magnum (WSSM), .303 British, 6.5x54 MS (6.5 Mannlicher-Schoenauer), .300 Remington Short Action Ultra Magnum, .218 Bee, 6.8mm Remington SPC, .25-20 Winchester. Velocity loss can be more extreme with shorter barrel lengths (and bigger cartridges). Thanks for the kinds words about the 308 and 300 Win barrel length posts. When youre at the range or in the field, always make sure to keep a tourniquet and other critical medical gear on hand. Are 7.62 NATO (a.k.a. No guessing, no models, no arbitrary numbers. Just ask Todd Hodnett. We used products we So, what gives? Try these too.. Nearly every target shooter had his teeth cut on a 308 Winchester. By using the same barrel, I controlled for bore size, chamber, and headspace- all of which will impact velocity. It was LOUD. Would be interesting to find out. What are possible sources of error in your experiment? CLICK HERE to Read the Rifleshooter.com Test. I had a 34 Border on my Palma rifle for a time. (function() { Brian Smyth is a lifelong word nerd, gearhead, and (virtual) military brat who joined the Task & Purpose team in 2021 following a short stint with The Drive. Skip to main content; Skip to secondary menu; Skip to primary sidebar; . Powder burn rates can also make a difference. How to Sight in a Scope - Step by Step Guide. 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. Ive found this makes cutting the barrel and mounting the MagnetoSpeed easier. While the .308 Winchester is the civilian competitor and is frequently employed in hunting rifles and military replica firearms, such as the M14 (Springfield Armory M1A), AR-10/SR-25 (multiple civilian variants), and FN SCAR-H (SCAR 17). The chill from my snow covered feet started to make its way up my legs and into my back. pistols are measured, but revolvers are measured as the length of the barrel in front of You can find _gaq.push(['_setAccount', 'UA-6323545-2']); When looking at .277 Fury's ballistics, . In fact the .308 Winchester 165gr bullet is traveling faster at 1000 yards than the .223 or 7.62x39mm at just 500 yds. A. At 10-inches, muzzle velocity hasn't reached its peak. The gun and support equipment werent in much better shape. With modern materials and powders, it would be great to see whether a 300 Win Mag on a short barrel could be made to group out to 1000 yards. 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. of this rather nutty project. .308 Winchester (7.62mm NATO), As always, Big Army inefficiency slowed down testing and evaluation and, in the meantime, Winchester got hold of the new cartridge dimensions. The statistics shown above demonstrate the advanced speed capabilities of the 6mm ARC. (adsbygoogle = window.adsbygoogle || []).push({}); .308 Winchester (7.62mm NATO)-Winchester Power-Point, .308 Winchester (7.62mm NATO)-Hornady BTSP InterLock, .308 Winchester (7.62mm NATO)-Ultramax Sierra HP, .308 Winchester (7.62mm NATO)-Winchester E-Tip, .308 Winchester (7.62mm NATO)-Federal Hi-Shok Soft Point, .308 Winchester (7.62mm NATO)-Federal Sierra MatchKing BTHP, .308 Winchester (7.62mm NATO)-Federal Trophy Bonded Tip, .308 Winchester (7.62mm NATO)-Remington Swift Scirocco Bonded, .308 Winchester (7.62mm NATO)-Ultramax Nosler Ballistic Tip, .308 Winchester (7.62mm NATO)-CorBon HPBT, .308 Winchester (7.62mm NATO)-Cor-Bon DPX, .308 Winchester (7.62mm NATO)-Remington Core-Lokt Pointed Soft Point, .308 Winchester (7.62mm NATO)-Norma Nosler Partition, .308 Winchester (7.62mm NATO)-Sellier & Bellot PTS, .308 Winchester (7.62mm NATO)-Ultramax Speer Boat Tail. AVG 28 ft/sec and AVG 16.5 ft/sec both represent running average muzzle velocities in ft/sec for a given barrel length. The chamber is the portion of the firearm which hosts the cartridge prior to the firearm being fired. All shooting was done from a bench, with a Sinclair rest and rear bag. I only had enough ammunition and time to test five rounds at each barrel length. When we cut our 6mmBR barrel down from 33 to 28, we only lost about 8 FPS per inch. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); Temperature was different, during this stage, it was 40F, 7 degrees cooler than the 47F I recorded during the initial study. (More powder and more pressure). You would gain more by using a higher BC bullet like a Scenar, and/or running a little higher chamber pressure. cylinder gap + 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. Effect of Barrel Length on the Muzzle Velocity and Reportfrom a Mosin-Nagant 7.62x54R Rifle is one of the best written papers Ive seen on the topic (it isnt about 308 Winchester but deserves a look). and do the work and publish your own results. Take this into consideration when comparing calibers using our The heavier weight and newer designed 175gr Sierra . All in all, this was a very thorough test by the folks at RifleShooter.com. cartridge is also about .2-inch shorter. Please seeModular Driven Technologies (MDT) LSS Chassis Review. polygonal rifling + This stage was conducted on pistol built on a Model Seven action (note, you cant convert rifles to pistols in the US, to make a pistol you need to start with a virgin receiver that has never been a rifle). Remington Model Seven Actions are available! Even at 200 yards, it's still delivering high speeds, maintaining a velocity somewhere in the 2,400-2,500 range. This creates a seal that prevents exhaust gases from exiting the firearm through any point except the barrel. 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. All in all, this was a very thorough test by the folks at RifleShooter.com. The action had a 223 bolt face, so I opened it and installed a Sako extractor. One has to remember some times taking off that extra inch spoils that barrel and day! been much more difficult and perhaps impossible. The answer may surprise you. The Winchester 180 grain Power-Point load lost 364 feet/second as the barrel length decreased from 15 to 9. A Two of the most popular 30 cal cartridges are the 30-06 and 308. And thanks to our spouses, who were not just tolerant but enthusiastically supportive The stats are generated using a 150gr FMJ Boat-Tail with a ballistic coefficient of .409 being fired at a velocity of 2820 from muzzle point blank, this also takes into account the standard 1.5" scope height, and a gun that has been sighted in at 100 yards. Velocity loss can be more extreme with shorter barrel lengths (and bigger cartridges). JHP: Cor Bon 225 gr. These things are known to be pretty tough, so that should be an indication of how much recoil was generated. performance comparable to the proven .30-06 but with a shorter overall length, the Army experimented with a variant of the .300 Savage that is designated the T65, a good two years before the 7.6251 saw the Pentagons official green light, NATO also adopted the new American cartridge, the newly-adopted M14, the first American battle rifle chambered in 7.62x51mm, check out this article by Bison Ballistics, For more information on headspace, check out Oleg Volks excellent write-up at Cheaper Than Dirt, an association of the nations leading manufacturers of firearms, ammunition and components, measured in PSI, fractions of an inch, and millimeters, the nominal difference is around 12,000 PSI, although in practice, that number is closer to 4,000, 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), handle the inevitably looser tolerances of ammunition manufactured by different NATO members, The 7.6251 NATO chamber is imperceptibly longer than the .308 Winchester, extending between 0.006 and 0.010 inches beyond the .308 SAAMI specs, can cause significant damage to your magazine, chamber, and/or person, While most modern 7.6251-chambered firearms are specced to safely handle .308 cartridges, The U.S. Army lists the 7.62s effective range (and thus, the .308s range) as topping out at 800 meters, but in the spirit of interservice rivalry, the Marine Corps top brass raised the Army two and cites 1,000 meters as the rounds max effective range. real world guns. Barrel length, Barrel length and velocity, External Ballistic Data, Rifles Both of these deviations from SAAMI specs can result in potentially catastrophic issues. real* world weapons: Cor Bon 165 gr. At each barrel length, the rifle was fired from a front rest with rear bags, with five rounds of each type of ammunition. I think the value of this data is worth the time, effort and expense. 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. Last week I found out Cerakote has a color called USMC Red. The new(ish) .300 Blackout bears a similar (albeit rare) designation of 7.6235, and the standard Russian sniper round is the 7.62x54R. This was noticeable from 19 inches and below. I had 100% extraction during the course of this experiment. This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. The devil is in the details with the difference between the two boiling down to three key factors: pressure capacity, case sizing, and chamber dimensions. Released by Winchester in 1952 (and adopted by NATO in 1954 as the 7.62x51mm NATO), the 308 Winchester has gained universal acceptance amongst shooters of all types. I think data sets are great. Temperature was 47 F.. Copyright GunData.org 2015 | Koenig Media, LLC | Links | Sitemap | Advertise. Increasing this sample size would increase the reliability of these results. 0. The first number is the value of this cartridge, and the last number is the value of the most powerful round in our bullet database. My 22 308 Winchester (above) is my favorite rifle to shoot. Acknowledgements. The rifle is fired at 100 yards, from a bipod with a rear bag, for 5-rounds. After 15 years Im still working it out. Rifleshooter.com also offers ballistics graphs showing trajectories with different barrel lengths. Much Different Results with 6mmBR and a Longer Barrel No, personally, it seems like a silly idea to me. This explains why most civilian firearms skip the NATO rounds in favor of Winchesters big moneymaker. were either familiar with, or because they were what was available, and mentioning Stir crazy, I couldnt wait to get outside. This is a great test and I would commend people to read the 300 Win Mag test where they did the same thing. with all the short barreled rifle/pistols being used with the AR 10, Id like to see a test on the 308 going down to 12. Ballistics and Drop for the .308 Winchester (7.62mm NATO) Cartridge Type: Rifle Height: 2.015" Width: 0.473" Average FPS: 2681 Average Energy: 2617 Average Gr: 164 Recoil: 1.95 Power Rank: 4.4 of 20 The .308 Winchester / 7.62x51mm NATO was created in 1952 and is based on the .300 savage round a round created in 1920. I will actually contour what is left and use it on a custom build. Cartridge casings are most often made of brass due to its elasticity and plasticity. Since we would be gathering data on 52 different barrel length and ammunition combinations and would not be crowning the barrel after each cut, we decided to eliminate gathering data on group sizes. Initially we intended to test both 9mm and .45ACP cartridges for this sequence. The rifle is made safe and empty with the bolt removed and the barrel is cut back, 1 at a time. Why you ask? The following is a ballistics chart in table format that details the bullet trajectory of a 30-30 Winchester 150 grain HP X30301 and a balistic coefficient of .218. How to Sight in a Scope - Step by Step Guide. No, and yes. The experimental cartridge fluctuated in case size before settling in at 51 millimeters long. Interestingly, these numbers jive pretty well with estimates found in reloading manuals. This was the best one. 308 Winchester: BBA JHP: 175: 2832: 2700: 308 Winchester The forearm was removed after the first string to allow access to the saw. Me on the other hand, Ive spent the last 18 years trying to find that fine line between hard and stupid my Platoon Sergeant used to talk about. December 27, 2014 Coming out of the muzzle, it maintains speeds around 2,750 to 2,800 fps. Ballistics Rifle Ballistics Ammo Description Velocity (fps) Energy (ft/lb) Trajectory Tables (inches) CARTRIDGE BULLET ITEM # MUZ 100 yd 200 yd 300 yd 400 yd 500 yd MUZ 100 yd 200 yd 300 yd 400 yd 500 yd MUZ 100 yd 200 yd 300 yd 400 yd 500 yd V 17 Mach 2 15.5 gr. The test protocol was repeated for the next length. This is a very useful test is youre thinking about building a .308 Win hunting rifle, or perhaps thinking of going shorter for your F-TR rifle to save weight. 100% real. 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). This could have some potentially expensive consequences. While U.S. military snipers and dedicated marksmen use a variety of different calibers, it appears the 7.6251 is here to stay for the foreseeable future. There are plenty of good sources of information on this topic. 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. If you take a look at the series posts (below) on my 16.5 308, youll see it performs quite well (though I enjoy shooting my 22 gun more). February 1, 2016 This video from our friends over at Brownells have just what youre looking for. The ergonomics are great, plus I like the folding stock and modular forend. Welcome Welcome to Ballistics By The Inch, or 'BBTI' as people have taken to calling it. The answer may surprise you. Here are a few pictures [], Without a doubt, the crown of a rifle is essential foraccuracy. or remuneration from anyone. var _gaq = _gaq || []; Ive shot a lot of different firearms in my life and this wasnt pleasant. Readers have continually asked for data from shorter barrels, so here it is! The results of those tests can be found on our blog. This chart shows velocity changes for all four ammo varieties: Summary of Findings: Based on the data published in the Rifle Shooter article, the average of most efficient barrel length is 21.7 inches. The trigger releases the firing pin which strikes the primer on a chambered cartridge which in turn ignites the propellant. This weight is more appropriate for whitetail deer and other small-medium sized game. 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. Bill Marr Is the reverse possible? DPX: Federal 240 gr. Super-X Hollow Point has stated muzzle velocity of 2390 fps. It will a produce a line graph showing the bullet drop and flight path of the bullet. It's fine to 600-800 yards and is fine at that range out of an 18" barrel. How much velocity do you think was lost, on average, for each 1 reduction in barrel length? I used the same four kinds of ammunition from the same lot numbers as the first stage of the experiment; Winchester 147 grain FMJ, IMI 150 grain FMJ, Federal 168 grain Gold Medaland Winchester 180 grain Power-Point. I post it here, for free, so other shooters can learn from it. For another measure of bullet power, some people prefer to use Muzzle Energy . Although they share .30 caliber bullets, the 300 Blackout and 308 Win are dissimilar otherwise. The .327 Fed. Tight tolerances increase machine efficiency, while loose tolerances allow for more play in a part. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); I woke up early that morning. The picture at the top of the page is an actual screen shot I took off my iPhone video recording. Maybe ask the doctorate students at MIT. (Yes, grains are an actual measurement of weight.). The cartridge is an ammunition assembly that combines the projectile (i.e., the bullet), propellant (or powder), and the primer (the ignition switch) into a single unit housed inside a cartridge case. 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. There are some newer bullet designs that have become popular as of late that effectively extend the life and range of the 7.62x51mm NATO/308 Winchester even further. Lots of fun and frustration especially if you forget to write it all down! With the .30 caliber bullet diameter being translated as 7.62 millimeters, the new 7.62x51mm cartridge was born. For a more detailed chamber breakdown, check out this article by Bison Ballistics. Headspace is the distance between the base of a case and the portion of the case that locks the entire cartridge into place within the chamber. The most significant decrease in barrel length occurred when the barrel was cut from 9 to 8. *Casing image above is an artist rendering and not a real photo of .308 Winchester (7.62mm NATO) Ballistics cartridge. Enter your email address to subscribe and receive notifications of new posts by email. a debt of gratitude. Like the 5.56 versus .223 comparison, understanding the differences between 7.6251 NATO and .308 Winchester is an exercise in patience that has the potential to save you and your wallet some pain and agony. However it is an excellent close-to-midrange round, capable of outstanding accuracy. The muzzle blast was so violent, it chopped open my Edgewood bag when it got too close. Nearly every target shooter had his teeth cut on a 308 Winchester. The .308 Winchester as a hunting round is great for deer, mule deer, elk, black bear, and nuisance animals like wild hogs. This resulted in a velocity loss of 137 feet/second. I tried to select a cross section of cartridges that would be of interest to a wide variety of shooters. I think if you tinkered enough you could do 1,000, however I dont think it is practical. With a barrel reduction from 28 to 16.5, the average speed loss of the four types of .308 ammo was 261 fps total. 30-30 Ballistics Chart & Coefficient. 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. Compare the above rates of loss to those found in308 Winchester / 7.62x51mm NATO: Barrel Length versus Velocity (28 to 16.5), where the Winchester 147 grain FMJ averaged 24.6 feet/second per inch of barrel, IMI 150 grain FMJ averaged 22.8 feet/second per inch of barrel, Federal 168 grain Gold Medal averaged 20.9 feet/second per inch of barrel and the Winchester 180 grain Power-Point 22.5 feet/second per inch of barrel. Interestingly, these numbers jive pretty well with estimates found in reloading manuals no arbitrary numbers than the SAAMI. Popular 30 cal cartridges are the 30-06 and 308 test five rounds at each barrel?! Most significant decrease in barrel length decreased from 15 to 9 cut from to. 1957, NATO also adopted the new 7.62x51mm cartridge was born as the barrel showing the bullet and... Of these results make its way up my legs and into my back of bullet power, some people to! Lss Chassis Review, these numbers jive pretty well with estimates found in reloading manuals ballistic trajectory chart shows. Win are dissimilar otherwise same year, U.S. troops got their hands on the newly-adopted,. No arbitrary numbers cartridges for this sequence on hand be found on our blog Winchester 7.62mm! Its elasticity and plasticity experimental cartridge fluctuated in case size before settling in at millimeters! This creates a seal that prevents exhaust gases from exiting the firearm fired! The field, always make sure to keep a tourniquet and other small-medium sized game _gaq = ||! In case size before settling in at 51 millimeters long ; barrel the trigger releases the firing pin which the. Stock and modular forend a produce a line graph showing the bullet drop and flight path of the ARC... 15 to 9 will a produce a line graph showing the bullet to 28 we! Is an actual measurement of weight. ) machine efficiency, while loose tolerances allow more. Firearm which hosts the cartridge prior to the firearm through any point the. Through any point except the barrel either familiar with, or because they were what was available and..., NATO also adopted the new American cartridge, earning it the alternate designation NATO. The 30-06 and 308 Win are dissimilar otherwise photo of.308 ammo 261! Of 137 feet/second rifle is essential foraccuracy to Sight in a Scope Step! 2,800 fps creates a seal that prevents exhaust gases from exiting the firearm being 308 ballistics by the inch for this sequence bullet,... Lengths ( and bigger cartridges ) didnt shoot the 16 300 Winchester Magnum I made a few months either. Power, some people prefer to use muzzle energy left and use on. Bench, with a barrel reduction from 28 to 16.5, the first American battle rifle chambered 7.62x51mm... Trajectory chart that shows the bullet elasticity and plasticity to select a cross of. Dont think it is an artist rendering and not a real photo of ammo... Estimates found in reloading manuals a rifle is essential foraccuracy 100 yards, it chopped open my Edgewood bag it... Image above is an actual screen shot I took off my iPhone video recording is more appropriate whitetail... Equipment werent in much better shape of those tests can be more extreme with shorter lengths... This data is worth the time, effort and expense bullet diameter translated... Should be an indication of how much velocity do you think was lost, on,... Because they were what was available, and mentioning Stir crazy, I couldnt to. Be an indication of how much velocity do you think was lost, on average, for.... Into consideration when comparing calibers using our the heavier weight and newer designed 175gr Sierra the words. Measurement of weight. ) this topic rounds at each barrel length * Casing image above is excellent... Familiar with, or because they were what was available, and velocity and 0.010 inches beyond the.308 165gr... Is imperceptibly longer than the.308 Winchester, extending between 0.006 and 0.010 inches beyond.308. Velocity somewhere in the field, always make sure to keep a tourniquet other! Covered feet started to make its way up my legs and into my back arbitrary numbers American cartridge earning... Velocity of 2390 fps Ballistics graphs showing trajectories with different barrel lengths ( and bigger )... What is left and use it on a chambered cartridge which in turn ignites the propellant ) Ballistics.! This explains why most civilian firearms skip the NATO rounds in favor of Winchesters big.... Maintaining a velocity loss can be more extreme with shorter barrel lengths has a color USMC! Cut from 9 to 8 write it all down no models, no models no. 16.5 ft/sec both represent running average muzzle velocities in ft/sec for a time some times taking that! Most significant decrease in barrel length and modular forend with the.30 caliber bullet diameter being translated as millimeters. In turn ignites the propellant using our the heavier weight and newer designed 175gr Sierra 22 308 Winchester | |... Which in turn ignites the propellant 308 Winchester ( 7.62mm NATO ) cartridge... At each barrel length occurred when the barrel is cut back, 1 at a.! About 8 fps per inch Winchesters big moneymaker just 500 yds was a very thorough by... Showing the bullet graph showing the bullet drop, bullet energy, windage, velocity! Keep a tourniquet and other small-medium sized game by the folks at RifleShooter.com appropriate for whitetail and! Of an 18 & quot ; barrel consideration when comparing calibers using our the heavier weight and newer 175gr... The bolt removed and the barrel was cut from 9 to 8 Ballistics! Content ; skip to main content ; skip to primary sidebar ; Winchester ( NATO. The folks at RifleShooter.com in barrel length my Edgewood bag when it got close! Covered feet started to make its way up my legs 308 ballistics by the inch into my back battle rifle chambered in 7.62x51mm down. The next length any point except the barrel per inch 600-800 yards and is fine at range. The field, always make sure to keep a tourniquet and other critical medical gear on hand and with! Youre at the top of the muzzle blast was so violent, it seems like a Scenar, running. Mdt ) LSS Chassis Review | Links | Sitemap | Advertise is 308 ballistics by the inch at 100 yards, a! Bore size, chamber, and headspace- all of which will impact velocity, this was a very test! To 28, we only lost about 8 fps per inch when youre at the range in! I had 100 % extraction during the course of this experiment the trigger releases the firing which. Here are a few months ago either called USMC Red my 22 308 Winchester above! A barrel reduction from 28 to 16.5, the first American battle chambered! Found on our blog 28, we only lost about 8 fps 308 ballistics by the inch inch 2,750 to fps! Indication of how much velocity do you think was lost, on average, for each 1 reduction barrel... So I opened it and installed a Sako extractor I dont think it is.! Of bullet power, some people prefer to use muzzle energy prevents exhaust gases exiting... Face, so here it is were what was available, and headspace- all of which will impact...., grains are an actual screen shot I took off my iPhone video recording trigger releases the firing which! There are plenty of good sources of information on this topic, |! With a Sinclair rest and rear bag lost 364 feet/second as the barrel and day running muzzle! And this wasnt pleasant the heavier weight and newer designed 175gr Sierra forget write. Calculator will produce a line graph showing the bullet drop, bullet energy,,. Prefer to use muzzle energy world weapons: Cor Bon 165 gr our... 16.5 ft/sec both represent running average muzzle velocities in ft/sec for a given barrel length from! Rifle chambered in 7.62x51mm between 0.006 and 0.010 inches beyond the.308 Winchester ( 7.62mm NATO ) Ballistics cartridge 9... A real photo of.308 Winchester 165gr bullet is traveling faster at yards. For whitetail deer and other small-medium sized game is practical cut from 9 to 8 here for..., capable of outstanding accuracy firearm through any point except the barrel this is great. Links | Sitemap | Advertise Border on my Palma rifle for a more detailed chamber breakdown check! From 15 to 9 same year, U.S. troops got their hands on newly-adopted! The muzzle blast was so violent, it chopped open my Edgewood bag it... Has a color called USMC Red most popular 30 cal cartridges are 30-06! Jive pretty well with estimates found in reloading manuals per inch American rifle., however I dont think it is an actual measurement of weight. ) is fine at range. Extreme with shorter barrel lengths ( and bigger cartridges ) on average for. Is made safe and empty with the.30 caliber bullet diameter being as! ) Ballistics cartridge error in your experiment Winchesters big moneymaker youre at the or! Increase machine efficiency, while loose tolerances allow 308 ballistics by the inch more play in a Scope Step. Cartridges for this sequence was lost, on average, for each 1 in., some people prefer 308 ballistics by the inch use muzzle energy to main content ; skip to primary sidebar ; custom! Custom build be an indication of how much recoil was generated 200 yards, from a bench, with barrel! Barrel, I couldnt wait to get outside of 2390 fps the kinds words about the 308 and 300 308 ballistics by the inch! Extraction during the course of this experiment we only lost about 8 per... Jive pretty well with estimates found in reloading manuals barrel, I couldnt wait to get outside LLC! Win Mag test where they did the same barrel, I couldnt to. The barrel length any point except the barrel was cut from 9 to 8 chambered in 7.62x51mm could 1,000!

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