jimbobborg
Oddball caliber fan
I have an AR barrel that is 14.5" long. What length muzzle device do I need to get it to 16"? I'm assuming that it should be about 2" but not sure as I don't know about the threaded part length.
Muzzle device question
- Thread starter jimbobborg
- Start date
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TheGunnyRet
Ultimate Member
2.5 inches...if you count the overlap?
RwWilly
Active Member
16" OAL, so that would be a 1.5" pinned & welded. IIR the device needs to be "permanently" attached. Blind pin, welded etc. IANAL
- Jul 29, 2014
- 50,025
Lock a bolt into battery and measure from the bolt face out. That will give you the exact length you need to achieve.
danb
dont be a dumbass
Threads are probably .5-.8" long. This depends on the device and barrel- you did not say what caliber but a heavier caliber might need longer threads. So maybe 1.5"+.8" + .1" (for a margin of error for timing). To find the threaded length, just measure the threads on the barrel with calipers. Add that to 1.5". So if the threads on the barrel are .625 long, .625+1.5+ margin of error for timing or pinning
- Oct 8, 2007
- 19,012
Clowns...why does it have to be clowns?
(Avatars) ;-)
(Avatars) ;-)
- Feb 4, 2013
- 28,175
1.5" + 14.5" does not equal 16". You have the thread length where the two overlap.
AR15 threads are ~.625" long. The standard A2 flash hider comes in just short of 16" on the 14.5" barrel which is why there are a bunch of 14.7" barrels out there with pinned and welded A2 flash hiders. There are A2X extended A2 flash hides available that will take you to 16" on a 14.5" barrel. I think BCM sells them.
With all that out of the way, to give the simple answer without the useful information. The flash hider would need to be at least 2.15" OAL to get you to 16"
With all that out of the way, to give the simple answer without the useful information. The flash hider would need to be at least 2.15" OAL to get you to 16"
- Jul 29, 2014
- 50,025
- Jul 29, 2014
- 50,025
I GD guardsmen you, jimbob has a box full of muzzle devices.
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