ATI

ATI ALPHA MAXX 410 UPPER SHOTGUN KIT GEN3 3 410GA 18.5 BBL SMOOTH BORE 13 POLY MLOK F/U SIGHT 5RD - Takes a milspec AR-15 LOWER (any brand) - 18.5 Barrel - Ships with a cylinder style choke - 3oz Buffer - Patent pending polymer style rail with quick detach - Adjustable gas system with knob