AR15 16" NATO M4 Barrel AssemblyAR15 M16 M4 16" NATO M4 Barrel Assembly includes: 16" NATO M4 Government Contour 1x9 twist, chrome moly barrel, parkerized finish. A2 Flash Hider with crush washer. A2 Sight post, spring & plunger. USGI ruber coated sling swivel with rivit (installed). USGI carbine gas tube with roll pin. M4 handguards with dual heat shields. USGI Aluminum delta ring assembly. Made In USA!AR15 M16 M4 16" NATO M4 Barrel Assembly includes: 16" N ...
Model : M4BLKT