Standard Issue M4 Configurations - 2018 Edition - AR15.COM
Mar 20, 2018 · My last issued M4 in Iraq, 2008-09 in an Army Infantry company was Colt M4 KAC Rail system Matech BUIS Aimpoint "M68" (M4) Airtronic M203 railed leaf sight PEQ15 PSQ18 …
Need M4 feedramps cut in a A1 upper - AR15.COM
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 …
A1 upper with or without M4 feed ramps - AR15.COM
Jun 11, 2025 · A1 upper with or without M4 feed ramps - is it necessary? 1st retro build, and all my other upper receivers have had M4 feed ramps. My build is based of a Carbine. I have …
ar15.com - Your Firearm Resource. (AR-15, AR-10, M4, M16, AK …
Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.
Early M4 Configuration(s) and Unusual M16-Derived Carbines in …
Jul 15, 2022 · If you were issued, or encountered, early versions of the M4 in your military service, I have some questions.Referencing this promotional video, what was your experience with the …
6920 roll marks through the years > Colt > AR15.COM
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, …
Official M4A1 USASOC URG-I and NSW URG-I and Clone Picture …
Jan 7, 2018 · Quote History Originally Posted By joglee: Official part list. Geissele Mk16. Geissele ACH. DD 14.5" MID-LENGTH CHF BARREL. DD MK12 gas block. Surefire SF4P. Standard …
Why Zero at 50(200M) instead of 25(300M) > AR Discussions
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 …
Army M4 qualification tips > General Discussion > AR15.COM
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 …
For those of you who can't mount a bayonet on your 16" > AR
Feb 1, 2021 · Most M4 and heavy barrels do. Pencil barrels step down to about 0.610-0.615" diameter. So, you couldn't use standard base journal sizes like you suggest. (Yes, you could …