JK Armament 195 Choke End Caps Improved Cylinder. They're the only shotgun suppressors that wont hold you back when a tight shot pattern is required such as with skeet trap and bird hunting. Specifications for JK Armament JK195LTECCIC 195 Choke End Caps Improved Cylinder: Manufacturer: JK Armament Finish: Type 3 Hard Anodize Length: 0.711 in JK Armament JK195LTECCIC 195 Choke End Caps Improved Cylinder