The Dead Air® Thread Adapter for Walther® P22 - 1/2x28RH is the upgrade for your P22 you didn’t know you needed. This adapter converts your firearm’s thread pitch to 1/2x28 Right Hand for a snug, secure fit with your Mask-HD suppressor. Featuring durable steel construction and a corrosion-resistant finish, this thread adapter is perfect for rough use and abuse in target-rich and tactical environments. Thread protector not included. Order now!