Home / Accessory-Silencer Accessories / Gemtech SHIM SET 556MM 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. 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! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH $7495 Original price was: $7495.$7135Current price is: $7135. Dead Air Armament SIG MOSQUITO THRD ADAPT 1/2X28 $4500 SilencerCo DELTA 1/2X28 THREAD SPACER $1900 Sale! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 Original price was: $6900.$6042Current price is: $6042.