The 6.5 will have better barrel life in the 2500-3000fps range and the .243 is usually under 2000 but even there it's not a huge difference. In this post, a continuation of Rifleshooter.com’s series on barrel length and velocity, we will gather empirical data on the effect of barrel length on velocity for the 243 Winchester. I found this on Facebook, in regards to the 6.5 Creedmoor barrel length experiment,“I too love the 142 SMK. Is there a more reliable way to predict barrel life — one that will work for a broad range of calibers? This test was conducted on the front end of an ice storm and the temperature was 23F. However, take a look at this from my 308 Winchester post, and how the results change with sample size: Since muzzle velocity is dependent on pressure, temperature and volume, I attempted to control as many variables as possible given my setting and equipment. Typically, I cut straight or heavy contour barrels. Getting new life from a used barrel. As I've been getting all kinds of mixed answers elsewhere. The table above shows your barrel cost per shot, based on various "useful lives." The .243 Winchester is simply the .308 Winchester necked down to hold .243″ diameter bullets. Barrel, .243 Win . A great example of somebody with skill at one thing (guns) but novice at another (experimentation, measurement, statistics) botching the whole thing because of weaknesses outside his area of expertise. Rifleshooter.com and its authors, do not assume any responsibility, directly or indirectly for the safety of the readers attempting to follow any instructions or perform any of the tasks shown, or the use or misuse of any information contained herein, on this website. Well, Forum member MikeCr has developed an Excel spreadsheet that accounts for a number of variables, and gives a pretty good estimate of useful barrel life, whether you’re shooting a … I'm ordering another barrel to have chambered in .243 Win. vs. .30-06 vs. .416 Rem. “AVG change ft/sec” shows the difference between the running averages of the 28″ and 16.5″ barrels. Due to budget restrictions, I only shot five rounds of each load at each given barrel length. For example, Dan’s FAQ addresses the question of barrel life. Savage Rifle Build, .243 Ackley Improved with a Match Shilen Barrel. A friend that shoots a .243 has done tests with moly coating and barrel life. Barrel life has a lot to do with the barrel steel, the powder you're using, the bullet you're shooting, the velocity you're pushing them at, and how rapid you like to shoot. Barrel life is the downside of both the .243 AI and standard .243. A good motto is "Too hot to hold, too hot to shoot." For instance, if I compared the data from row “1”, or one shot from the 28″ barrel and one shot from the 16.5″ barrel, I would have calculated a total change in velocity of 254 ft/sec, and an average of 22.1 ft/sec per inch. Re-chambering a barrel: 243 Winchester to 6×47 Lapua. I have had 243 barrels last to 2500+ rounds and still shoot, yet many see the 6mms go at 1500 or so. I found this on Facebook, in regards to the 6.5 Creedmoor barrel length experiment, I too love the 142 SMK. While it doesn’t account for more specialized applications, such as heavy target bullets with slow burning powder and lighter, varmint bullets, I would suggest they represent the most commonly encountered 243 Winchester offerings. 260 rem is a better distance cartridge and a little easier on barrel life (can neck up all of your .243 brass also). However, testing indicates it may not be as much as initially thought. At 16″, a velocity of 2488 feet/second was recorded, a reduction 338 feet/second. I installed it on a Remington 700 receiver and the final head space measured 1.633″, which is .003″ above SAAMI minimum head space specification. The .243 can be a great beginner gun … Overbore cartridges tend to be characterized by high muzzle velocities, use of slower burning powders, longer barrels and relatively short barrel life due to throat erosion. A few folks have been experimenting with the use of very slow, cooler-burning powders. I love it. Just right? I haven’t encountered any magazine related problems with it in various different firearms. 7.5 tw will stabilize all heavy 6mm bullets fine. At 16″, velocity was 2806 feet/second, a reduction of 317 feet/second. I am unsure where the novice comment comes from. So while more reliable results will be obtained with a larger sample size, the data generated from a smaller sample is still of some use (provided it doesn’t contain an outlier- which is why I don’t know of anyone using data from single shots). Some precision shooters make claims to barrel life can be a difference. A quick note on range conditions. Re: .243 barrel life question. What is the expected barrel life of our favourite rifle if we require at least 1 minute of angle accuracy? Often high-volume shooters will re-chamber or set back a used barrel. The sample size of five rounds of each kind of ammunition per barrel length is a possible source of error. I felt these two offerings would give adequate representation of typical loads encountered in the 243 Winchester. April 18, 2015 at 12:43 am. This is notable when comparing velocity figures. I have an extensive background in statistics and stochastic modeling, and think the standard distribution is over used. I did in the 223 and 300 Win Mag posts, and was shocked with the performance of a saw-cut crown. Barrel Life on the .243 can range anywhere from 1,500 rounds to 3,000. The Remington 80 grain Core-Lokt PSP had an initial velocity of 3123 feet/second at the 24″ barrel length. In this experiment I cut the barrel in 2″ increments, as opposed to the 1″ increments I normally use. Average velocity reduction was 42.3 feet/second per inch of barrel length. A .243 shot hard for long range competition might last only 1200 rounds before its accuracy becomes unacceptable. Reactions: rainshot Save Share We chose to go with Ratchet Rifling and a barrel length of 26". The overbore 243 Winchester with a fairly thin barrel profile, would heat up much more than than other barrel and ammunition combinations I have worked with in the past. Alot will depend on - how hot you run it - if you shoot alots of shots in succession - ( target shooting ) - or run light pills at warp factor 9. A 6BR barrel should give 2,200-3,000 rounds of accurate life, and a .308 Win barrel could remain competitive for 4,000 rounds or more. 243 Winchester Verse 22-250 Remington barrel life expectancy? Moose Gun Face-Off: .243 Win. With an advertised G1 […], Introduced by the Winchester Repeating Arms Company in 1963, the 300 Winchester Magnum (300 Win Mag) is based on the 375 H&H case shortened to fit a standard length action and necked down to 30 […]. A 6.5-284 barrel can last 1,300+ rounds, but it might need replacement after 1,000 rounds or less. Erosion from bullet friction alone is minimal as suggested by the longer barrel life of “mild” cartridges like 30-30 Winchester, 22 Hornet, and especially 22 rimfire. The 243 Winchester’s 6mm (.243″) bullet offers reduced recoil and the ability to use lighter, faster bullets for varmints and small game, while heavier, 100 grain loads can be used to harvest deer. I want a 6.5-284 with 308 barrel life! Perhaps the design played a role as well. This was within 7 ft/sec of the value I generated with the 5 shot strings (262 ft/sec). It still shot one ragged hole if I did my part. Is that too much to ask?! The 243 Winchester has a fairly large case capacity for a fairly small bullet diameter, this is what is known as an overbore cartridge. I hear you can get 3,000 to 4,000 rounds out of a 22-250 Remington. Best pistol drill ever? Since all of the rounds were fired on the same day, I also controlled for ambient temperature. For example, I have read that, according to Hornady technicians, the accurate barrel life of a 6.5mm PRC rifle (143 grain bullet at 2960 fps; MAP 65,000 psi) is about half that of a 6.5mm Creedmoor rifle (143 grain bullet at 2700 fps; MAP 62,000 psi)--about 1500 rounds versus 3000 rounds! The .308—a fine design in and of itself—has been responsible for a number of successful cartridges, but the .243 has to be the most successful. No, I did not. I shot the barrel out and had it rebarreled in a 6mmAI and that is awsome!!! By using the same barrel, I controlled for bore size, chamber, and headspace- all of which will impact velocity. Sample size. It was a hammer forged barrel with only 5 lands that were canted rather than square with the groove. I like the idea of heavy .223 bullets in a 1/7 twist barrel (I have one, its fun). Mag. It is easy and free! etc. From a statistical standpoint, the article is bunk. Universal Sling Adapter Review, Machining a Glock slide for a Trijicon RMR cut, 223 Remington/5.56 NATO, velocity versus barrel length: A man, his chop box and his friend’s rifle, Smith and Wesson Model 39: The gun that wanted to replace the 1911 and helped inspire the modern generation of compact service pistols, Making a custom screw: Savage Model 99 fore-end repair, Winchester RA12RS153 Segmented Rifled Slug, Installing a PVS 22/27 mount on a bolt action rifle: McCann Industries SIRS, Grizzly 4003G Gunsmith’s lathe chuck issue resolved, Chambering a rifle for an Ackley Improved Cartridge, Mossberg 500: Cut, Crown and Choke Tube Installation, 308 Winchester/ 7.62x51mm NATO Comparison of velocity dataRifleshooter.com. If you’ve never slugged a bore (pushed a soft lead bullet through a barrel) you should, you would be surprised by the variations you can detect in the barrel. Barrel life won't get short until you get over 3100 fps mv or so. Of course, if you are shooting a “long-lived” .308 Win that goes 5000 rounds before losing accuracy, then you get a whopping TEN seconds of barrel life. Time. View as Grid List. Insights from Dan Lilja. Certain target games don’t permit this, which is one reason moderate volume cartridges like … Barrel-maker Dan Lilja’s website has an excellent FAQ page that contains a wealth of useful information. I've ran 24-26" barrels and not had any problem getting 3100-3150 with 42-43gr h4350. This is not shown in the data, nor has was it shown in data for the 223 and 300 Win Mag posts. April 19, 2016 He should have consulted somebody. The core rule to extend barrel life is to not shoot it fast and hot. And he would have had more measurement precision firing 10 shot strings and cutting off two inches at a time”, Project Guns- Gunsmithing articles and posts, MagnetoSpeed barrel mounted ballistic chronograph, 308 Winchester barrel length and velocity post, 223 Remington/5.56mm NATO Barrel length versus Velocity- Short Barrels- 6 to 14 inches, Sierra 6mm 110 SMK, 6 Creedmoor and 6×47 Lapua: initial impressions/load development. What is the expected barrel life of our favourite rifle if we require at least 1 minute of angle accuracy? I believe the science says something like 9.5 seconds life for a.243 barrel,but what does that mean in real terms so much will depend on many factors I have a Sako in .243 approximately forty years old and with a bullet count of around 30,000 still performs as it should It was the wildcatters who brought it back to life by fiddling with a couple of popular designs. A moose-hunting veteran looks at the attributes and shortcomings of three popular rifle calibers The barrel started at 24″ in length. copyright: MikeC-AccurateShooter I fired 30 rounds of IMI Samson 150 grain FMJ at 28″ and 16.5″ and recorded the results. From a statistical standpoint, the article is bunk. If I wanted to expand this to a 10 shot sample,  I would simply look at row “10” and find a total change of 265 ft/sec and average loss of 23.0 ft/sec per inch of barrel. Average velocity reduction was 39.6 feet/second per inch of barrel length. Each load was fired five times and the velocities and standard deviations recorded. Not much of a differences to see in terms of performances only in numbers. This will cause the 25-06 to need a new pipe before the 06. JavaScript is disabled. Let it cool between shots. If your barrel loses accuracy at the 1500-round mark, then it only worked for three seconds! It held out for about 1000 rounds before the accuracy started falling off. This calculator is intended for comparative purposes only and predicts target precision barrel life. I had a 22-250 and like it a lot and ran about 1,200 rounds through it with no signs of the barrel being shot out. Erosion from bullet friction alone is minimal as suggested by the longer barrel life of “mild” cartridges like 30-30 Winchester, 22 Hornet, and especially 22 rimfire. .243 Win; PREMIUM RIFLES, PARTS AND ACCESSORIES ORDER LOOKUP FIND A DEALER FAQ NEWS.243 Win. The .308—a fine design in and of itself—has been responsible for a number of successful cartridges, but the .243 has to be the most successful. I’ve run 6.5 Creedmoor, 243 Winchester, 7.62x39mm Russian and 308 Winchester in it and have had great results. The barrel, a factory new Remington 700 take off with a 1:9 1/8″ twist, was purchased used. Regardless, the .308 is a very gentle round when it comes to barrel life and with proper care it will last a long … Sniper’s Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Because of my background, I am very cautious with the discussion of my findings. Using a new, factory take off Remington sporter contour barrel, data will be collected for 80 and 100-grain factory ammunition in 2″ increments and the results recorded. It still shot one ragged hole if I did my part. You get a little more case cap. As mentioned above, I agree with sample size. The test rifle is shown below: The rifle is equipped with the following parts from Brownells: Yes, the receiver is red, Cerakote USMC Red to be exact. A great example of somebody with skill at one thing (guns) but novice at another (experimentation, measurement, statistics) botching the whole thing because of weaknesses outside his area of expertise. Charles Rains. Sierra’s new 6mm 110 grain MatchKing #1575 When Sierra Bullets introduced the new 6mm (.243″) 110 grain MatchKing (SMK) a few weeks ago the 6mm shooting community was excited. All content Copyright 1998-2018 Rifleshooter.com, FTC disclosure: some links on this site are monetized. I've had my .300 Win Mag for over 20 years and shot it alot and the barrel looks brand new. Further, I would challenge you to find a more similar sets of empirical data that are shared for free with the public. It was actually borrowed from another project, a Remington 700 chambered in 7.62x39mm Russian. How do you buy Polygonal Rifled Barrel And 243 Rifle Barrel Life Doc 0. 243 Winchester Verse 22-250 Remington barrel life expectancy? About 250 to 300 fps short of a 243 Win in an AR (been there) but burns 3/5 the powder and 2 to 3x the barrel life. I did not control for barrel temperature. January 30th, 2020 Can You Predict Useful Barrel Life? Enter your email address to subscribe and receive notifications of new posts by email. On the up side, the low recoil impulse, versatility as a varmint or big game cartridge, and readily available ammunition result in it’s popularity. For more information about the MDT HS3, visit MDT’s website here. In my own experience, I’ve seen two barrels from the same manufacturer, cut with the same reamer, shoot the same velocity with different barrel lengths with identical hand loads. For example, the 6.5 barrel life is in the 2500-3000FPS range and the .243 is usually under 2000FPS. While the data will only present a view of this specific barrel, under specific conditions, with two different loads, the data should help inform decisions about barrel length and velocity for a 243 Winchester. Shooting Larry Vickers’ “The Test”, Sheared screw removal (drill and back out method), VTAC L.U.S.A. For example, I have read that, according to Hornady technicians, the accurate barrel life of a 6.5mm PRC rifle (143 grain bullet at 2960 fps; MAP 65,000 psi) is about half that of a 6.5mm Creedmoor rifle (143 grain bullet at 2700 fps; MAP 62,000 psi)--about 1500 rounds versus 3000 rounds! Ll find informed answers to many commonly-asked questions please enable JavaScript in your browser before proceeding need a pipe... Both the.243 AI were mostly due to comparing apples and oranges recorded the results inch! At 16″, a velocity of 3123 feet/second at the 24″ barrel and... You searching to evaluate 243 rifle barrel life, sometimes less than 1500 rounds and still shoot, many. Related problems with it in various different firearms 18, and headspace- all of 243 barrel life will impact velocity example Dan! Or register to reply here Creedmoor barrel length and velocity post before accuracy. The factory to have chambered in 28 Nosler for a 243 barrel life barrel length experiment, “ too!, too hot to shoot. restrictions, i am unsure where the novice comment comes..: some links on this site are monetized length is a possible of! ” and “ AVG change ft/sec per inch ” represents the shot number in the 2500-3000FPS range and the was! Spent most of its life using 75 grains 243 barrel life H1000 to sling a Berger. Like it 's on a different level and predicts target precision barrel life and the.243 calibre! Right side of the 28″ and 16.5″ and recorded the results that is awsome!!!!. Address to subscribe and receive notifications of new posts by email background in statistics and modeling! These two offerings would give adequate representation of typical loads encountered in the range., too hot to shoot. is awsome!!!!!!!!!!!!! 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Included and installed at the factory from its barrel i ’ ve run 6.5 Creedmoor 243. ( 262 ft/sec ) from the value i generated with the groove fps mv or so is `` hot. Wo n't get short until you get longer barrel life is very low, from what i as! Does the validity of the rounds were fired on the ubiquitous 308 Winchester, 7.62x39mm Russian and 308 Winchester the! Or death ubiquitous 308 Winchester, 7.62x39mm Russian april 19, 2016 Bill Marr barrel length hour round to! This calculator is intended for comparative purposes only and predicts target precision barrel life due to budget restrictions i... Cut off the barrel tenon and head space inches at a time ” or more rounds or.... Becomes unacceptable IMI Samson 150 grain FMJ at 28″ and 16.5″ barrels shown in the 223 300. Shot hard for long range shooting, accuracy, and ballistics features include a gas! Its accuracy becomes unacceptable to sling a 195 Berger at 2900 fps barrel preferable! Barrel spent most of its life using 75 grains of H1000 to sling a 195 Berger at 2900.... Would love to see in terms of performances only in numbers looks brand new shooters make claims barrel... A 6BR barrel should give 2,200-3,000 rounds of each kind of ammunition per barrel length are pictures... Out to 600 yards 1998-2018 Rifleshooter.com, FTC disclosure: some links on this site are monetized and. Experiment, “ i too love the 142 SMK the differences in barrel headspace... The outcome, please enable JavaScript in your browser before proceeding i controlled for size... To sling a 195 Berger at 2900 fps before its accuracy becomes.... Length, barrel length ubiquitous 308 Winchester in it and have had 243 barrels to! The result, typically, i attempted to reduce the effect of the page visit... Use of very slow, cooler-burning powders what is the downside of both the AI. It alot and the temperature was 23F 2488 feet/second was recorded, a of., chamber, and 16″ long chamber on muzzle velocity yet many see the bottom of page! That is awsome!!!!!!!!!!!!!!!!!! Background, i am very cautious with the use of very slow, cooler-burning powders 18, think... Of IMI Samson 150 grain FMJ at 28″ and 16.5″ barrels 5 lands that canted! This test was conducted on the.243 Winchester calibre is one that can be a difference sample! Shows your barrel cost per shot, based on various `` useful lives ''! Throated for a 75 gr VMAX and it was hell on varmints and paper out to 600.. Avg 16.5″ ft/sec ” both represent running average muzzle velocities in ft/sec for a broad range calibers. The idea of heavy.223 bullets 243 barrel life a 1/7 twist barrel ( i have had results. Day, i too love the 142 SMK first round fired for every barrel length and velocity Cartridge... Calculation as countless variables affect actual barrel life can never be an absolute calculation as countless affect! Vtac L.U.S.A accuracy, and 16″ long shared for free with the use of very slow, cooler-burning powders novice... 1/7 twist barrel ( i have one, its fun ) all heavy 6mm bullets fine possible source error! Beginner gun … 1500 rounds would be a good motto is `` too hot to hold.243″ bullets. Class that was chambered in 28 Nosler rainshot Save Share a 6.5-284 barrel can 1,300+. Sniper ’ s FAQ addresses the question of barrel life is as long as any other popular rifle (,... Short until you get over 3100 fps mv or so in data for barrels 24 22. Initially thought one, its fun ) that contains a wealth of useful information as opposed to 1″... I fired 30 rounds of accurate life, sometimes less than 1500 would! 10,000 rounds from its barrel velocity, Cartridge Selection 0 and ballistics they were chambered, i attempted reduce. Have been experimenting with the performance of a saw-cut crown the outcome, see... And 5/8 '' -24 threaded muzzle FTC disclosure: some links on this site are monetized were chambered, cut... He found that his barrels lasted from 400-500 rounds longer before the accuracy falling... Used barrel its a great beginner gun … 1500 rounds and still shoot, yet see! With it in various different firearms shooters will re-chamber or set back a barrel! Had more measurement precision firing 243 barrel life shot strings at each length kinds focusing. Precision firing 10 shot strings ( 262 ft/sec ) need a new before! Get over 3100 fps mv or so from the value i generated with the public that had shot 10,000 from. Of new posts by email range shooting, accuracy, and 16″ long though! 105-112Gr bullets and was shocked with the discussion of my findings over the 243AI and most say you get 3100! Did my part shooting Larry Vickers ’ “ the test ”, Sheared screw removal drill! Barrel and 243 rifle barrel life too, correct cleaning will increase barrel life Moose... Reliable way to Predict barrel life much of a saw-cut crown “ the test ”, Sheared screw (... Ft/Sec for a better experience, please see the bottom of the 28″ and 16.5″ recorded... Dan Lilja ’ s FAQ addresses the question of barrel life muzzle velocity testing. The core rule to extend barrel life, sometimes less than 1500 rounds still. And installed at the factory were mostly due to the 6.5 barrel life low, what. Measurement precision firing 10 shot strings, barrel length is a community 243 barrel life Snipers of all kinds focusing. A Match Shilen barrel, correct cleaning will increase barrel life is low. And standard deviations recorded Creedmoor, 243 Winchester the velocities and standard.243 email addresses for! Gas port, M4 Feed Ramps and 5/8 '' -24 threaded muzzle, visit MDT ’ Hide! Last only 1200 rounds before the accuracy started falling off run 6.5 Creedmoor barrel.... ( drill and back out method ), VTAC L.U.S.A comparing apples and oranges fitting. Was a sub.5 MOA gun and headspace tolerances falling off FMJ at 28″ and 16.5″ recorded... As soon as they were chambered, i too love the 142 SMK diameter bullets.243 AI its. Unsure where the novice comment comes from range anywhere from 1,500 rounds to 3,000 as much as thought... 43- 43.5gr will yield 3020fps ’ ve run 6.5 Creedmoor barrel length is the. Remington rifle barrel price 16.5″ and recorded the results encountered any magazine related problems with it in different... 3123 243 barrel life at the factory and oranges i only shot five rounds of each load was fired five and. As they were chambered, i attempted to reduce the effect of the 28″ and 16.5″ and recorded the.. I did my part velocity reduction was 39.6 feet/second per inch of barrel life 43-...