OTIS B.O.N.E. TOOL Batons Minimum inside perimeter:

Minimum inside perimeter:

Custom-molded thermoplastic heel counter and toe box for instant comfort and lateral support

buffer tube extension and spring which must be purchased separately

receiver extension buffer tube

The MS3 incorporates several new features over its predecessor

OTIS B.O.N.E. TOOL Batons Minimum inside perimeter:MSR 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