Home / Accessory-Silencer Accessories / Gemtech THREAD PROTECTOR 1/2-28 RF View cart “Gemtech ADAPTER MM9 FTM 1/2-28” has been added to your cart. Gemtech THREAD PROTECTOR 1/2-28 RF$1800 Out of stock SKU: 12222 Category: Accessory-Silencer Accessories Product ID: 26738 Description Description 1/2-28 Thread Protector 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 OBSIDIAN PISTON 9/16×24 $8000 Original price was: $8000.$7196Current price is: $7196. SilencerCo O-RING BOOSTER PACK $900 Gemtech GM9 THREAD REAR MOUNT M18X1RH $9100