Sep 7, 2008 · Can anyone report how a Colt M4 is marked vs. a Colt M4A1 in US service? For example, on the fire selector, I do know the M4A1 is marked "SAFE-SEMI-AUTO" but is the …

May 18, 2017 · Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.

Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.

Jan 15, 2017 · We have a thread for practically every clone rifle except one dealing specifically with the M4/M4A1 MWS (Modular Weapon System). So I am starting one. The New Army M4A1.

Dec 28, 2016 · M4 feed ramps will be up to the mfg. A military M4 barrel is similar to a 20" A2 barrel, with about 5.5" removed between the chamber area and the gas block/fsb, M4 feed …

Jun 25, 2006 · An Improved Battlesight Zero for the M4 Carbine and M16A2 Rifle 1. Current Army/Marine Corps battlesight zero and it's procedures are well described in TM9-1005-319 …

Nov 25, 2022 · I have an m16a2 upper with the integral carry handle and recently bought one of the Aimpoint gooseneck mounts for it. I tried to mount an Aimpoint M4 optic on it with the …

May 1, 2008 · When zeroing the M4 at 25m, set the BDC to 6/3 +2. Make all your elevation changes on the front sight so the BDC will work. Center your group in the lower half of the …

Jan 16, 2022 · The Sporter M4 Carbine was the first change to the roll marking of the original Colt's Law Enforcement Carbine. I got mine new in March 2011, no date on plastic birth bag, …

Aug 16, 2011 · M4 Type: 17.0 (Mil spec tube, standard buffer). M4 Type: 14.3 (Commercial tube, standard buffer) Fixed short stocks (telestock buffer & spring): Stubby: 14.6 (with standard …