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! Rugged Suppressors R3 FLASH HIDER 9/16X24 $10000 $8715 Sale! Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28 $8500 $8444 Gemtech THREAD PROTECTOR 1/2-28 RF $1800 Sale! SilencerCo 3-LUG MUZZLE DEVICE 9MM 5/8X24 $8900 $8211