Gen 1 DPMS LR-308, 20” vs 24” Replacement Barrel Opinion
2024年8月11日 · Have a Gen 1 with the 16”:barrel would like a longer length unit. Looking to use this as a hog gun off a tripod. Deciding between a 20” Criterion & 24” Ranier Ams Ultra Match. Would like to shoot both M80 ball & .308 core lokt in the same barrel. Would there be feed issue differences between either barrel option?
16" barrel vs. 18" or 20" barrel in a 308 - AR15.COM
2016年3月15日 · Todd Hodnett puts his kid on a 16" .308 gas gun with a 1/9" twist bull barrel, and beats the longer barreled 24" .308 bolts guns at a mile. Also, a 20" M110 with 1/10" twist will smoke an M14 with 12" twist all day long.
Determining Max Effective Range of Barrel Lengths - AR15.COM
2019年9月1日 · You can see from the Bullet Velocity vs. Barrel Length chart that Federal 55 gr is the hottest 55gr+ round, so I used that cartridge's data for all the calculations. I interpolated the data to determine the muzzle velocities of the 10.3, 11.5, 12.5, and 14.5 barrels using this equation: Interpolation Equation.
7mm Rem Mag barrel length question - AR15.COM
2022年3月1日 · A web search provides two articles on velocity vs. barrel length for a .308 and .300 mag. (7mm-08 and 7mm mag info is harder to find.) An 18.25" .300 mag with 190 gr bullet ran at 2700 fps. Unfortunately, I couldn't find a directly comparable bullet weight in .308 so we will have to bracket the 190 gr. .300 mag bullet with a 208 grain bullet at ...
.308 bolt action: 20" barrel vs 24" barrel - AR15.COM
2012年6月1日 · As you probably know, shorter barrels are generally more accurate (all other dimensions being equal) and the only advantage a longer barrel provides is greater velocity (to a point) and possibly decreased muzzle signature. The general opinion seems to be that the performance characteristics between a 20" and a 24" .308 barrel are negligible.
Modern view on rifle length vs mid-length for .308 or 6.5 CM
2023年8月6日 · Currently I'm seeing options for .308 and 6.5 creedmoor mid-length options 16-18" range and rifle lengths at 20". A buddy recommended rifle length which would point to a 20" barrel, and I'm reading about clear issues with carbine lengths, but what's the peanut gallery's current view on rifle length vs mid-length?
Sweet spot for 7.62x51 Battle Rifle barrel length? - AR15.COM
2020年4月13日 · To me a 20" barrel length checks all the boxes for me: A) AR gas system was originally designed around a 20" Bbl w/ a rifle length gas system. B) Reliability also seems to revolve around the same barrel length and gas system. C) Less muzzle blast and report vs. a 16" Bbl. length. D) Less felt recoil. E) Slight forward balance.
At what barrel length does .308 = .300blk? - AR15.COM
2019年12月10日 · By making .308 equal .300, are you talking about .300 out of a set barrel length and then how much do you chop the .308 barrel to drop to that same velocity? Or are you talking about a point where you keep chopping both barrels …
13.5” vs 16” barrel - AR15.COM
2022年12月24日 · You will notice a difference in terms of size, honestly just get the faxon 13.9 barrel, war comps and a bunch of dead air stuff brings it to 16+ when you pin and weld it. If you aren’t concerned about shooting past 500 then a 13.9 would be …
1 of each: 5.56, 300BLK, .308. What barrel lengths? - AR15.COM
2024年11月24日 · A 16" .308 can reach out pretty far with modern ammo, but if I'm really interested in long range precision I'll go for a bolt action. I like 18" for the rifle length gas system, but now that there are a number of manufacturers offering 16" options with rifle-length gas stations, that'd be my preference.