
11.5" barrel, 5.56mm, Magnetic particle tested, F-marked front sight post
11.5" barrel, F-marked front sight post, 1/7 twist, magnetic particle tested, cage code stamp, 5.56mm, bayonet lug, sling swivel. Sealed in factory plastic.
Colt Part Number: SP65083
NSN: 1005-01-581-2919
Cage Code: 13629