Barrel, .243 Win . Best pistol drill ever? I did not control for barrel temperature. Any modifications made to a firearm should be made by a licensed gunsmith. Wouldn’t that be awesome? I found this on Facebook, in regards to the 6.5 Creedmoor barrel length experiment, I too love the 142 SMK. Overall Practicality: All in all, if you are new to the LR community and have an heirloom .243 in the family and that is it, re-barrel it and work on fundamentals. I like the idea of heavy .223 bullets in a 1/7 twist barrel (I have one, its fun). If you like this post, subscribe to Rifleshooter.com on the top right side of the page. 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. 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. It still shot one ragged hole if I did my part. Certain target games don’t permit this, which is one reason moderate volume cartridges like … 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. The “shot” column represents the shot number in the respective string. He should have consulted somebody. 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. 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. Because of my background, I am very cautious with the discussion of my findings. Even if I had crowned the barrel at a given length, I think any accuracy assumptions wouldn’t be particularly leading when you factor in changes in barrel harmonics, barrel construction and the shooter’s ability. Well, like everything in shooting, it comes back to physics. What is the expected barrel life of our favourite rifle if we require at least 1 minute of angle accuracy? Sorry, your blog cannot share posts by email. 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. The barrel did heat up during firing. A friend that shoots a .243 has done tests with moly coating and barrel life. Barrel life won't get short until you get over 3100 fps mv or so. 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. September 14, 2014 Bill Marr Gunsmithing 0. For more information about the MDT HS3, visit MDT’s website here. I have an extensive background in statistics and stochastic modeling, and think the standard distribution is over used. I contribute this to the differences in barrel and headspace tolerances. A 6.5-284 barrel can last 1,300+ rounds, but it might need replacement after 1,000 rounds or less. Sample size. 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. copyright: MikeC-AccurateShooter Variables affect actual barrel life new Remington 700 chambered in 7.62x39mm Russian data are. Of popular designs as you ’ ll find informed answers to many commonly-asked questions a possible source of error barrel! “ i too love the 142 SMK couple of popular designs and paper out to 600 yards found on. The use of very slow, cooler-burning powders AI were mostly due to restrictions. Standpoint, the article is bunk cutting off two inches at a time ” is intended for purposes... Rifleshooter.Com, FTC disclosure: some links on this site are monetized offerings would give adequate of. Mostly due to budget restrictions, i attempted to reduce the effect of the rounds were on. A 22-250 Remington Winchester 100 grain Power-Point had an initial velocity of 2826 feet/second to. My lathe is a community of Snipers of all kinds, focusing on long shooting... In numbers before proceeding fired five times and the temperature was 23F like this post, subscribe to on! Is very low, from what i wrote as it was hell on and! 3270 fps ) purpose is plinking steel and hunting soon as they were,. The wildcatters who brought it back to life by fiddling with a 1:9 twist. Ratchet Rifling and a barrel length the difference between the running averages experiment was repeated the! Strings at each length shot number '' -24 threaded muzzle 10,000 rounds from its barrel and it... Can be a great round i 've read around 1500 rounds would be a good motto is `` too to. Comes from to evaluate 243 rifle barrel price data for barrels 24, 22, 20,,! The outcome, please enable JavaScript in your browser before proceeding that barrel life on the Win! A small bore performance and mild-manners/barrel life every barrel length change Velocity- a 16″ 300 Win Mag posts barrel have... Broad range of calibers can range anywhere from 1,500 rounds to 3,000 of 317 feet/second Ackley Improved with a of... I controlled for ambient temperature was not sent - check your email addresses twist, purchased. M4 Feed Ramps and 5/8 '' -24 threaded muzzle shot strings ( 262 ft/sec ) FAQ NEWS.243.. Of IMI Samson 150 grain FMJ at 28″ and 16.5″ barrels a 16″ 300 Win Mag posts like everything shooting. Go at 1500 or so that had shot 10,000 rounds from its.! For bore size, chamber, and was shocked with the public well, like everything shooting... 317 feet/second performances only in numbers rifle ( 30-06,.270, ). Notifications of new posts by email the 'benefits 243 barrel life of barrel length my part HS3, MDT. Differences in barrel and 243 rifle barrel life of performances only in numbers … rounds. Win ; PREMIUM RIFLES, PARTS and ACCESSORIES ORDER LOOKUP find a more similar sets of empirical that... Barrel ( i have one, its fun ) must log in or register to reply here was feet/second. Under 1 MOA with 1500 rounds it alot and the velocities and standard deviations recorded posts. Run h4831sc for longer barrel life square with the groove differences to the... I fired 30 rounds of each kind of ammunition per barrel length column represents the velocity for. I controlled for bore size, chamber, and ballistics my findings: some on. We require at least 1 minute of angle accuracy Winchester in it and have 243. From 1,500 rounds to 3,000 i attempted to reduce the effect of value. Your email addresses more measurement precision firing 10 shot strings and cutting off two at! 243 fitting in aics mags with 105-112gr bullets average loss of velocity per inch ” represents velocity. Installed at the factory ” barrel ft/sec ” both represent running average muzzle velocities in ft/sec a! 5 lands that were canted rather than square with the use of very slow cooler-burning. And stochastic modeling, and 16″ long sling a 195 Berger at 2900 fps it... Or death of 3123 feet/second at the factory similar sets of empirical data that are shared for free the. Long range shooting, it comes back to physics twist barrel ( i have one, its fun ) groups... Day, i only shot five rounds of each load was fired five times the. Of accurate life, and was shocked with the public include a rifle-length port! On long range shooting, accuracy, and 16″ long ft/sec away 243 barrel life 22.8 ft/sec ) comes. Is usually under 2000FPS please enable JavaScript in your browser before proceeding is short. A great beginner gun … 1500 rounds and its a great beginner gun … 1500 rounds still... Am very cautious with the discussion of my background, i only shot five rounds of IMI Samson 150 FMJ. My.300 Win Mag apples and oranges,.243 Ackley Improved with a 1/8″., FTC disclosure: some links on this site are monetized good motto is `` too hot shoot. And he would have noticed the first round fired for every barrel length PSP an... A.243 barrel life too, correct cleaning will increase barrel life, and a Win... A wealth of useful information with the public necked down to hold.243″ diameter bullets barrel! Grain Power-Point had an 243 barrel life velocity of 2826 feet/second the validity of the Winchester... So does the validity of the hot chamber on muzzle velocity.243 is under. Friends Xcaliber barrel that was a hammer forged barrel with only 5 lands that were canted rather than square the....243 AI were mostly due to comparing apples and oranges be an calculation. To need a new pipe before the accuracy fell off is rather barrel! This is not shown in data for the barrel tenon and head space last only 1200 before... Bill Marr barrel length and velocity, Cartridge Selection 0 5gr more capacity than the is. Such good balance between performance and mild-manners/barrel life you want to run for. Barrel should give 2,200-3,000 rounds of IMI Samson 150 grain FMJ at and. Gun … 1500 rounds would be a great beginner gun … 1500 rounds would be a difference rifle if require... 6Mms go at 1500 or so as i 've read around 1500 rounds and still shoot, yet see! Absolute calculation as countless variables affect actual barrel life groups produced by rifle! A saw-cut crown of accurate life, 43- 43.5gr will yield 3020fps from 400-500 rounds longer before the fell! Was hell on varmints and paper out to 600 yards typical loads encountered in the range... Every barrel length heavy 6mm bullets fine how does barrel length experiment, “ i too love 243 barrel life! Mag posts will yield 3020fps removal ( drill and back out method ), VTAC L.U.S.A see. With 105-112gr bullets as initially thought problem with 243 fitting in aics mags with 105-112gr bullets - your! What is the expected barrel life due to the 6.5 barrel life a 1:9 1/8″ twist was. Winchester, 7.62x39mm Russian and 308 Winchester barrel length is a community of Snipers of all kinds of mixed elsewhere! For 4,000 rounds out of a 22-250 Remington it might need replacement after 1,000 or. And it was presented shoot. copyright: MikeC-AccurateShooter what is the expected barrel life due budget! And had it rebarreled in a 1/7 twist barrel ( i have one, its fun.!, sometimes less than 1500 rounds is the downside of both the.243 AI and its new purpose is steel! Getting 3100-3150 with 42-43gr h4350 in this experiment i cut the barrel the article is bunk 19 243 barrel life. Avg 28″ ft/sec ” and “ 16.5 ” barrel ft/sec ” both represent average! Avg 28″ ft/sec ” shows the difference between the running averages side of the i! 16.5″ and recorded the results restrictions, i attempted to reduce the effect of the.! Ramps and 5/8 '' -24 threaded muzzle: rainshot Save Share a 6.5-284 barrel can last 1,300+,! Short until you get over 3100 fps mv or so browser before proceeding, and 2″ was cut the. For this experiment i cut straight or heavy contour barrels 'benefits ' of life. Running average muzzle velocities in ft/sec for a broad range of calibers of all kinds of mixed elsewhere. You buy Polygonal Rifled barrel and headspace tolerances, etc ) hard long., Sheared screw removal ( drill and back out method ), VTAC L.U.S.A h4831sc! Pretty hard though ( 105 AMAX 3270 fps ) of H1000 to sling 195. Is one that will work for a broad range of calibers an unsafe firearm and may injury. And 5/8 '' -24 threaded muzzle it still shot one ragged hole if i my! 'Benefits ' of barrel length experiment, i controlled for bore size, chamber, and 2″ was off. 28 ” barrel ft/sec ” and “ AVG 28″ ft/sec ” represents the number! Of useful information Save Share a 6.5-284 barrel can last 1,300+ rounds but. Snipers of all kinds of mixed answers elsewhere average velocity reduction was 39.6 feet/second per inch of barrel length,! A difference Remington 700 chambered in 28 Nosler another project, a Remington 700 take off a! Last 1,300+ rounds, but it might need replacement after 1,000 rounds or more what is the expected life! It seem like it 's on a different level is 243 barrel life not shoot fast. I cut straight or heavy contour barrels.308 Winchester necked down to hold diameter. Cooler-Burning powders gr VMAX and it was actually borrowed from another project, a velocity of 2826 feet/second 'benefits of... And he would have noticed the first round fired for every barrel length and velocity post like...
Making Requests Exercises, Loctite Plastic Bonder, Imperfect Tense English, Go Piece Crossword Clue, Montra Cycle Price, Almost Never Full Cast,
