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  1. What is the difference between m4 feedramps and m4 barrel extension ...

    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 …

  2. ar15.com - Your Firearm Resource. (AR-15, AR-10, M4, M16, AK-47, …

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

  3. 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 M4 …

  4. M4A1 SOPMOD Block II clone picture thread - AR15.COM

    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 …

  5. Palmetto State Armory M4A1 review > AR Discussions > AR15.COM

    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 …

  6. 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 center bullseye. At …

  7. 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 TM9-1005-319-10, the …

  8. M855A1 Accuracy and Velocity (updated) > Ammunition > AR15.COM

    Nov 5, 2023 · My kid shot his M4 w/ACOG in a lot of Guard competitions at higher altitude in New Mexico, Wyoming, Utah, and Colorado. I'm fairly sure the density altitude had the bullets flying close …

  9. War Hammer Armaments Super Safety (3-Position) Active Trigger System

    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 …

  10. Correct Handguards for M4 Clone - AR15.COM

    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 …