+3 Shim Washer 1/2-28 SH-500 $2.00 In stock Quantity: 1 Add to Bag Product Details Stainless steel shim washer for 1/2-28 threads. Required for Covert Comp when used on pencil barrels with .625 gas blocks. Measures 0.060” thick and .750” diameter Save this product for later Favorite
