The 3-slot accessory rail qd mounting point bi-pod adaptor features: slim lightweight design integrated with modular flexibility durable aircraft grade billet aluminum body barrel nut included no timing or shims required full length mil-spec 1913 picatinny rail lifetime warranty compatible with ar 15 uppers requires low profile gas block
Handguards: 15" M-LOK
Handguards: 15" M-LOK