On May 12, 2019 at 10:19 pm, Ratus said: You about summed up the idiocy of the government profile barrel. On May 12, 2019 at 9:46 pm, MTHead said: Thanks Herschel, always wondered about those goofy looking things. Hey guys! Government Profile Vs. Pencil Barrel – My Blog; Comments. But I wanted to get yalls opinions on the matter. The lightweight, or pencil, barrels are good for those looking to shave some weight off their gun. Unless you plan on shooting so much that you will need the heat advantages of the heavier profiles, I just don't see a huge benefit outside of some special circumstances (like Mark mentioned above). Differences were; HBAR 1:9, 16 inches, no thread, chrome lined SOCOM 1:7 14.5, thread, chrome lined I added a Cav Arms Compensator (don't start, in NY we are not allowed evil Flash hiders) to help with muzzle rise on the SOCOM. Profiles are broken down into three basic categories: lightweight, government, and heavy. Is there any practical role for the M4A1 barrel? Swapped in a SOCOM M4 barrel. Obviously the heavy barrel is more versatile on a prairie dog hunt or when you intend on sending quite a bit of lead down range at one shooting session but often a short, stout, thin barrel has already sent it's payload downrange before it can devlop the vibrations and harmonics that can effect external ballistics and accuracy. Counting mine, I've put together 2 guns with their 18" and both printed consistently around 1/2" at 100 yards shooting the same ammo from the same position on the same day, sandbagged to hell. I use a 16" heavy barrel (fluted) on my AR (shorty). This is called a "heavy" barrel by the military, but to civvies it is more of a "midweight" barrel. The heavy profile barrel may have MORE inclusions, less homegeneous composition, and warp more than a lighter profile rifled from the same maker. The profile refers to the weight of the barrel. So I am currently on the market for a barrel to finish up my first AR build and I am torn between the SOCOM and Standard M4 gov profile barrels. Cold Hammer Forged vs. Mil-Spec Carbinedude; Please go to the Bushmaster site and look at the BIG difference between the Government-profile barrels and the heavy barrel. Have a 16 and 18(SPR) in 5.56, a 9.5 300BO, and just got a 20" heavy fluted 6.5 CM Barrel. The heavy barrel is used on high-accuracy and rapid-fire weapons for obvious reasons. Gov profile was designed so you could mount M203's onto them without ruining the barrel. If it were my money to spend, after I got the lower squared away, I would buy both a heavy barreled stainless upper and a gov profiled chrome lined upper. its heavy(er) than a basic government profile barrel but it is by no means a heavy rifle. thank god for the aftermarket! The extra mass helps a little in cooling/controlling heat, but the gain is fairly low and makes the balance of the barrel front heavy. APOC Armory. All of the above have performed beautifully. The heavy profile may just have a mediocre chamber and worst case leade that just shoots run of the mill. But a question. The heavier the barrel, the greater the resistance it provides to the buildup of heat when firing the weapon. Bottom line- I like it. The most common is the “government” profile barrel which is a mid-range option. As far as accuracy difference, there is one. The government's heavy-handed tactics threaten to undermine the legitimacy of the election. Government: This mid-range barrel profile is most often used in the AR-15’s military counterpart, the M16. Its the same one they use on their national match rifle. Lightweight vs government profile barrel Lightweight vs government profile barrel. Does it have much utility in military service? I know they both have there pros and cons and to be honest I am kinda leaning towards the SOCOM just to say I have a more robust barrel. 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