OTIS B.O.N.E. TOOL Batons receiver extension buffer tube

receiver extension buffer tube

target acquisition

buffer tube extension and spring which must be purchased separately

Minimum inside perimeter:

or just beyond the barrel’s magazine lug (20 inch rail)

OTIS B.O.N.E. TOOL Batons receiver extension buffer tubeMSR AR owners know the importance of a clean bolt and bolt carrier group. Carbon and fouling can build up in these areas, causing jams and malfunctions. The B. O. N. E. Tool was designed specifically to clean the bolt carrier assembly area of . 223 cal. 5. 56MM rifles. This quick clean tool serves four purposes: Scrapes carbon and fouling from the: Bolt Bolt Carrier Firing Pin Includes a 8 32 threaded hole to act as a T handle