DAA Thread Adapter, 1/ 2 x 28 RH, Fits Walther P22, Black Finish DA419 Out of stock. Check back later... Price: $39.00 Notify me when this item is back in stock (log in required) Description Details Reviews Shipping info Thread adapter for use with your Mask-HD. For Walther P22 1/2X28 thread pitch UPC: 810042341074Manufacturer: Dead Air ArmamentModel: DA419Category: PartsOtherStock: 0Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.