Home / Accessory-Silencer Accessories / Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28 View cart You cannot add that amount to the cart — we have 1 in stock and you already have 1 in your cart. Sale! Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28$8500 Original price was: $8500.$8444Current price is: $8444. Out of stock SKU: 12196 Category: Accessory-Silencer Accessories Product ID: 26726 Description Description For GM-45 SilencerRear Thread Adapter Related products Gemtech THREAD PROTECTOR 1/2-28 RF $1800 SilencerCo DELTA 1/2X28 THREAD SPACER $1900 Sale! Dead Air Armament GHOST FIXED MOUNT M13.5X1LH $8900 Original price was: $8900.$7865Current price is: $7865. Sale! Dead Air Armament WOLVERINE INSERT 15MM RH HK $8900 Original price was: $8900.$7865Current price is: $7865.