In the USA, you need to be ATF compliant with that when required. There are methods that can be compliant with that while inducing minimal heat into the barrel to meet that requirement.
In the USA, you need to be ATF compliant with that when required. There are methods that can be compliant with that while inducing minimal heat into the barrel to meet that requirement.
Randall of AR15Barrels.com pointed out that using a set screw will make it much harder to remove in the future if you decide to do so.
BATFE does not specify pin material.
BCM A2X is a foolproof setup including a predrilled MD and pin.
ADCO sells a spacer that is awesome, when used with a std A2, OAL length is gtg on 14.5".
Or go 14.7" and standard.
I use 17-4 SS pins( available at my shop) in 1/8" diameter. And of course, I spot weld mine using TiG.
BATFE compliance is both pinned/welded or silver soldered to the barrel per requirement.
Last edited by Tigwelder1971; 07-29-17 at 22:42. Reason: SS spec typo
"Never shoot a large caliber man with a small caliber projectile ".
Yeah, I'd much rather go 14.7 vs 14.5. It means you can use almost any muzzle device you want.
I like the VG6 Gamma, and think that the normal version looks significantly nicer than the EX - for some reason they put the extra length in the back portion, rather than extending the functional portion.
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