The Advanced Armament Ranger 5 Mini is an ultra-compact silencer for CQC rifles and carbines chambered in .223/5.56. Fully-welded Inconel 718 and 17-4 Stainless Steel baffles provide durability on short barrels and under intensive fire schedules. Now with overbore baffles for 6mm and HUB threads. Removable front end cap, oversized 6mm bored baffle for reduced backpressure, full auto rated. 138.9 dB on MK18 10.3 inch barrel with XM193 ammo. Note: If this product is reflected as in-stock it means it's either physically in-stock or allocated and available (serial number is assigned) at my distributor