NOT KNOWN FACTUAL STATEMENTS ABOUT COLT M4 MAGPUL

I'd a gray anodized A1 upper that I had picked up in a very trade accessible for the Develop. I added am A1 rear sight kit, ejection port address, plus a teardrop forward guide from Luth AR.Late while in the war, solitary-shot grenade launchers that may be mounted under an M16’s handguard started arriving in Vietnam. The 1st launcher, the XM148,