Home / Accessory-Silencer Accessories / Gemtech SHIM SET 556MM 1/2-28 View cart “SilencerCo 3-LUG MUZZLE DEVICE 9MM 5/8X24” has been added to your cart. 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 SilencerCo DELTA 1/2X28 THREAD SPACER $1900 Sale! SilencerCo BRAVO ANCHOR BRAKE 30CAL BLACK $9400 $8606 SilencerCo O-RING BOOSTER PACK $900 Sale! Rugged Suppressors TITANIUM FRONT CAP 7.62 $10000 $8715