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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 ramps, and a …

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 M4 marked "SAFE …

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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.

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, barrel date 12/10 …

Mar 19, 2025 · The War Hammer Armaments Super Safety (WHA-SS) is a revolutionary 3-position trigger system, offering Safe, Normal Fire, and Active Fire modes. In Active Fire mode, the system …

Jun 5, 2003 · Another tells wifey that his barrel is worn out because he really wants a new M4 profile barrel, if you know what I mean. Other factors include the type of ammo, how "hot" that ammo is, …

Jul 30, 2023 · SPR and M4 collars are two different diameters, you need to make sure that the collar is the correct diameter for your barrel most importantly. That will have a drastic outcome on your …

Nov 5, 2019 · Dropped them on to 2 spare Colt M4 lowers, used Colt BCG's/CH's, and used some spare Aimpoint PRO's. Need MaTech rear sights, some Colt double heat shielded handguards, and to set …