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 …

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Jan 7, 2026 · Is the M4 carbine a “retro” configuration now (Page 1 of 2) Previous Page / 2 Next Page

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 …

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 read mixed reviews …

Apr 13, 2021 · Still new to the M4, but I went with the Impact Weapons version. I bought the one with the picatinny rail section and have a Streamlight TLR HL mounted on it on the right side of the gun.

Jul 10, 2006 · They have M4 barrel extensions and have the same profile as an A2 barrel, just 4" shorter. Normal mid length handguards are 9", so a 9.5 rail won’t cover much of the has block.

Mar 29, 2013 · I have heard 2 things determine how well your application works. 1) If the shotgun is prepped/cleaned prior to application of the velcro 2) Use of industrial strength (2 inch wide) name …

Mar 26, 2014 · The issue is they are claiming the value PER click is the same from the M16A2/4 to the M4 At 100 meters, 1 click elevation = 1 1/2" (or 3.5cm) point of impact shift on target.

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