Colt H carbine buffer. Buffer is 3.8 oz.
Correct buffer for most current Colt semi auto carbines such as LE6920, LE6921, LE6933, LE6940, CR6920, and AR6720.
Correct buffer for RO727, RO723, RO738, RO920, RO979, RO977, and RO933 select fire carbines which use a government profile barrel.
New in sealed Colt mil standard poly bag.