Home / Accessory-Silencer Accessories / Walther Arms P22 THREADED BARREL ADAPTER View cart “Gemtech GM9 THREAD REAR MOUNT M18X1RH” 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 Sale! Dead Air Armament GHOST FIXED MOUNT M13.5X1LH $8900 Original price was: $8900.$7865Current price is: $7865. Gemtech THREAD PROTECTOR 1/2-28 RF $1800 Sale! SilencerCo CHARLIE DIRECT THRD MT 5/8X24 $9900 Original price was: $9900.$9001Current price is: $9001. Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $7495 Original price was: $7495.$7135Current price is: $7135.