AR15 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!