This Battle Arms Development 6 Position Carbine Buffer Tube is constructed from 7075-T6 aircraft-grade aluminum has a hard black anodized finish, will fit all standard AR15/M16/M4 lower receivers,...
Tacfire's ar15 mil-spec buffer tube is made from 6061-t6 aircraft grade aluminum, matte black anodizing with type iii class ii hard coat for best wear resistance.It has the tightest tolerance control...