Home / Accessory-Silencer Accessories / Walther Arms P22 THREADED BARREL ADAPTER View cart “Gemtech THREAD PROTECTOR 1/2-28 RF” has been added to your cart. Walther Arms P22 THREADED BARREL ADAPTER$3900 Out of stock SKU: 512105 Category: Accessory-Silencer Accessories Product ID: 58179 Description Description M8X.075 To 1/2×28 AdapterIncludes Thread Protector Related products SilencerCo O-RING BOOSTER PACK $900 Sale! Rugged Suppressors R3 FLASH HIDER 3/4X24 $10000 Original price was: $10000.$8715Current price is: $8715. Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $7495 Original price was: $7495.$7135Current price is: $7135. Sale! Dead Air Armament XENO MOUNT FLASH HIDER 5/8X24 $8900 Original price was: $8900.$8472Current price is: $8472.