Home / Accessory-Silencer Accessories / Gemtech ADAPTER P22/M&P22/UMAREX 1911 View cart “Gemtech THREAD PROTECTOR 1/2-28 RF” has been added to your cart. Gemtech ADAPTER P22/M&P22/UMAREX 1911$4800 Only 2 left in stock Gemtech ADAPTER P22/M&P22/UMAREX 1911 quantity Add to cart SKU: 12206 Category: Accessory-Silencer Accessories Product ID: 57000 Description Description M8X.75 to 1/2-28 Adapter Related products Sale! Dead Air Armament HUB DIRECT THRD MNT M18X1.5 AI $8900 Original price was: $8900.$8351Current price is: $8351. Sale! Rugged Suppressors OBSIDIAN45 3 LUG ADAPT 9/16X24 $8500 Original price was: $8500.$7561Current price is: $7561. Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH $7495 Original price was: $7495.$7135Current price is: $7135. Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $7495 Original price was: $7495.$7135Current price is: $7135.