THIS IS A BROWNELLS BNR-180 ARP .300 BLACKOUT FIRST GENERATION BROWNELLS BRN-180 PISTOL AR. CHAMBERED IN .300 BLACKOUT WITH MATTE BLACK BARREL. HAS BLACK/BLUED FINISHED LOWER RECEIVER, MATTE BLACK FINISH UPPER, MLOK RAIL SYSTEM WITH COVERS. FULL TOP PICATINNY RAIL FOR ATTACHMENTS. PICATINNY RAIL SYSTEM ON REAR FOR STABILIZING BRACE. STANDARD BIRDCAGE MUZZEL. OVERALL CONDITION OF THIS PISTOL IS EXCELLENT. Includes: Magazine(s): NONE Capacity: NONE Features: Manufacture: Brownells Model: BRN-180 Series: First Generation Caliber: .300 AAC Blackout Barrel Length: 10.5" Full Length: 19.5" Length Of Pull: 2.47" Upper Receiver Finish: Matte Black / Stainless Lower Receiver: Black/Blue / Stainless Barrel Finish: Matte Black Stainless SKU# 315522 RR