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 …

Jan 1, 2021 · Previous Page / 4 Next Page [ARCHIVED THREAD] - Benelli M4 vs Beretta 1301 (Page 1 of 4) Home / General / General Discussion

Aug 30, 2012 · The M4 barrel extension is the physical part on the barrel as in the photo above. M4 feed ramps generally refers to the matching feed ramps cut into the upper receiver. More correctly, M4 …

May 18, 2017 · I'm looking to purchase a few for some recent builds. I thought there might be some one on the forum that makes them or at least point me in the right direction. Thank you.

Feb 22, 2025 · For those wondering about the Panzer Arms M4 Full Length 7 Round Magazine Tube and it's compatibility with the MAC 1014's, here is my experience.Purchased two tubes from …

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 …

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

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 …

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 TM9-1005-319-10, the …

Nov 7, 2018 · Just about finished an M4gery build. Basic M4 with a carry handle and silent sling. My question is, what plastic drop-in handguard is historically correct for a standard M4 carbine? I have a …