Warrior systems Legionary 22LR suppressor Caliber: .22 LR Weight: 3.5 oz Diameter: 1 inch Material: 6061-T6 aluminum Finish: Type III hardcoat anodized black Thread Pitch: 1/2×28 Included: Suppressor, direct thread end cap, 7/8 wrench, instruction manual This is a NFA class 3 item, there is additional paper work required for this item. The paper work fee is $30 no exceptions. Items require paper work with the ATF to transfer to dealer with an SOT. Time may vary on shipping due to paperwork. Shipping will be applied to any out of state residence. L22A1830