AR15
Work in progress mk18 with interchangeable Blocks project on a Barnes lower with geissele ssa and sba4. Please comment and/or roast:
Block 1 .223 Wylde
10.3 Hanson barrel
Geissele mk13 rail
Aimpoint t2
Sig Juliet 4
Troy irons
Surefire vampire
Radian raptor+colt bolt
Emissary development...