Sep 7, 2008 · Quoted: 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 …

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Jul 27, 2025 · FYI, a M4 extension will work just fine in a receiver not cut for the extension. The only problem is when you run an extension with out M4 ramps in a receiver with M4 ramps cut into it. This …

Jul 7, 2011 · The M4 is a conventional forces weapon system, and is totally separate from the SOPMOD program and SOF modifications, though they were "inspired" by the SOPMOD program, almost …

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 center bullseye. At …

Jun 26, 2024 · Does anyone have a copy of blueprints for a lower, specifically the area of the rear of the receiver where the buffer tube screws into?

Jun 8, 2023 · [ARCHIVED THREAD] - Best Benelli M4 Bolt release 6/8/2023 1:00:06 PM EST ... 6/8/2023 2:58:23 PM EST [#1]

Feb 6, 2007 · What's is the maximum range at which the M4 carbine can be fired effectively by a trained marksmen?? Not asking terminal ballistics but assuming an average trained shooter how accurate is …

Jun 8, 2025 · I have a Tac Sol M4 .22lr I just emailed Tac Sol to ask if a FRT would play well with their bolt.

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.M4/M4A1 as …