Home / Accessory-Silencer Accessories / Gemtech SHIM SET 556MM 1/2-28 Gemtech SHIM SET 556MM 1/2-28$700 In stock Gemtech SHIM SET 556MM 1/2-28 quantity Add to cart SKU: 3013332 Category: Accessory-Silencer Accessories Product ID: 61326 Description Description 1/2-28Fits 5.56mm Rifles Related products Sale! Dead Air Armament HUB DIRECT THRD MNT M18X1.5 AI $8900 $8351 Gemtech THREAD PROTECTOR 1/2-28 RF $1800 Sale! Rugged Suppressors TITANIUM FRONT CAP 7.62 $10000 $8715 Sale! Rugged Suppressors R3 FLASH HIDER M18X1 $10000 $8715