Home AR-15 COLT M16A1 RIFLE PARTS KIT At Atlantic Firearms

COLT M16A1 RIFLE PARTS KIT At Atlantic Firearms

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Original Colt M16A1 Rifle Kits with that nostalgic Vietnam War era look and feel can be used to transform your existing semi auto AR-15 rifle into a vintage looking M16.

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22 COMMENTS

  1. I just purchased a m16a1 from Atlantic Firearms. During my assembly of the m16 I noticed the upper receiver rear take down hole is about .010 in larger than take down pin. Way too much movement between the upper and lower receiver. What do you recommend I should do. Thanks

  2. I'm gonna take a look at this stuff. And it hurts my soul that it is on an A2 lower in the video, A1 lowers are like $150 I get that. Worth it to some but not all I guess.

  3. I have a couple A1 builds. One standard and one HBAR. The A1 has the original 1-12" twist and the HBAR has 1-14". My Dad and Uncle were both in Vietnam during the switch from M14 to M16 and personally witnessed the terrible damage M193 55gr FMJ did to bodies with the 1-14" & 1-12" twist barrels. The military switched the 1-14" twist because in Cold Weather tests accuracy degraded to unacceptable levels. I'm going to get one of these kits for a build. There are so many different variations of M16 that the military used or tested in the M16's long service life.

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