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Posted: 4/23/2013 9:05:24 AM EDT
I am in Afghanistan now, as a civilian, and according to Wiki, a M4 and M4A1 both have 14.5" barrels.  But all the soldiers I see here have Colt M4's, not sure the barrel length.  But my question is would a Colt 6920 with a 16" barrel be a true M4 or M4gery?  Thanks for your help, trying to figure this stuff out.
Link Posted: 4/23/2013 9:08:06 AM EDT
[Last Edit: 4/23/2013 9:09:02 AM EDT by Stickman]
Link Posted: 4/23/2013 9:08:31 AM EDT
Originally Posted By GenoDinah:
I am in Afghanistan now, as a civilian, and according to Wiki, a M4 and M4A1 both have 14.5" barrels.  But all the soldiers I see here have Colt M4's, not sure the barrel length.  But my question is would a Colt 6920 with a 16" barrel be a true M4 or M4gery?  Thanks for your help, trying to figure this stuff out.


No it's not.

M4/M4A1 are both select fire. 6920s are semi auto only with a 16'' barrel.
Link Posted: 4/23/2013 9:10:02 AM EDT
[Last Edit: 4/23/2013 9:12:46 AM EDT by gunnut003]
The difference between the M4 and M4A1 is the trigger (BURST vs AUTO) and the thickness of the barrel under the handguards.

A 6920 is as close as you can get with the Colt for a M4gery (Semi auto with 16" barrel) without going the SBR /NFA route...


Link Posted: 4/23/2013 9:16:10 AM EDT
Link Posted: 4/23/2013 9:16:53 AM EDT
Thanks all, I guess I now know I need to get a 14.5" barrel with the SOCOM profile for my first build.  Thanks again.  
Link Posted: 4/23/2013 9:26:39 AM EDT
[Last Edit: 4/23/2013 9:31:27 AM EDT by Stickman]
Link Posted: 4/23/2013 9:37:25 AM EDT
Originally Posted By GenoDinah:
Thanks all, I guess I now know I need to get a 14.5" barrel with the SOCOM profile for my first build.  Thanks again.  


If you go the 14.5 route ypu have the go the NFA route as Stickman noted, or get a 14.5" barrel AND PERMANENTLY ATTACH a muzzle device that is long enough to bring the barrel length to 16"
Link Posted: 4/23/2013 10:17:33 AM EDT
I believe that MI is not yet an SBR state. Or did that recently change?
Link Posted: 4/23/2013 12:02:53 PM EDT
No SBR's in Michigan.
Link Posted: 4/23/2013 3:33:17 PM EDT
It's exactly the same thing. Dianne Feinstein said so.
Link Posted: 4/23/2013 4:18:50 PM EDT



Originally Posted By Braindamage:


No SBR's in Michigan.


This. Don't waste any more time thinking about it.

 



Email ADCO and tell them what you want. They'll hook you up.






Link Posted: 4/23/2013 7:59:04 PM EDT
Buy one of the newer 6920's with the "M4 CARBINE" roll mark. Get a take off Colt 14.5" barrel from the EE and a A2X flash hider from BCM. Pay someone to swap the barrels and pin the hider on. That's what I did for my M4 repro build... probably the closest I'll ever be able to get to my original:





Original one I had in Iraq:



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