Caliber: 5.56MM - Accessories: Charlie & ASR - Weight: 15.2 oz - Length: 5.98 - Diameter: 1.73 - Materials: 17-4 SS & Inconel 625 - 5.56 NATO: 137.1 dB - Low back-pressure technology reduces gas blow-back - Full-auto rated - No barrel restrictions - Constructed out of 17-4 Stainless Steel and a 3D printed Inconel 625 core - Hoplon Baffle deflects debris and increases suppressor lifespan on short-barreled rifles and full-auto firearms - Compatible with Charlie ASR Mount Charlie Direct Thread Mounts and muzzle devices - Ships with an Internal Charlie Flash Hider Front Cap a Charlie ASR mount an ASR Flash Hider in � x 28 a spanner wrench a Charlie tool and the owner's manual