OP Exclusive Moriarti AR-15 Upper Receiver Assembly 5.56x45mm NATO 16in Mid M-LOK 1-7 Twist 1/2x28 Pinned Gas Block Diamond Cut Free-Float Handgrd A2. 56 NATO Upper Receiver Assembly Pinned Gas Block was made to function as the ideally suited item...
OP Exclusive Moriarti AR-15 Upper Receiver Assembly 5.56x45mm NATO 16in Mid M-LOK 1-7 Twist 1/2x28 Pinned Gas Block Diamond Cut Free-Float Handgrd A2. 56 NATO Upper Receiver Assembly Pinned Gas Block was made to function as the ideally suited item...