Shop Moriarti Armaments’ AR-15 Lower Receiver, featuring aluminum 7075 T6 construction, hardcoat anodizing, and a polished trigger. Includes the SB Tactical ... https://moriartiarmaments.com/ar-15-6.5-grendel/lowers/complete-lowers-571032140/ma-15-complete-pistol-lower-receiver-hbpdw-brace-black.html