Home / Accessory-Silencer Accessories / Gemtech THREAD PROTECTOR 1/2-28 RF View cart “Gemtech ADAPTER S&W M&P22C/22LR” has been added to your cart. Gemtech THREAD PROTECTOR 1/2-28 RF$1800 In stock Gemtech THREAD PROTECTOR 1/2-28 RF quantity Add to cart SKU: 12222 Category: Accessory-Silencer Accessories Product ID: 26738 Description Description 1/2-28 Thread Protector Related products SilencerCo O-RING BOOSTER PACK $900 Sale! SilencerCo BRAVO ANCHOR BRAKE 458CAL BLK $9400 Original price was: $9400.$8606Current price is: $8606. Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $7495 Original price was: $7495.$7135Current price is: $7135. Sale! Rugged Suppressors R3 FLASH HIDER M18X1 $10000 Original price was: $10000.$8715Current price is: $8715.