Customer matched zone "Tijuana" “CMMG, Lower Receiver Parts Kit, 556NATO, Without Grip/Fire Control Group” has been added to your cart. View cart HomeLong Gun PartsCMMG, Gas Block Kit, .625″ ID, Low Profile, BlackCMMG, Gas Block Kit, .625″ ID, Low Profile, Black$918.56 CMMG CMMG, Gas Block Kit, .625" ID, Low Profile, Black quantity Buy now Add to WishlistRemove from Wishlist Add to Wishlist Add to Quote Product successfully added to the Quote List Guaranteed safe checkout Description Description .625″ Low profile gas block. Includes installation screws. Specifications Related products Add to WishlistRemove from Wishlist Add to Wishlist CMMG, Hand Guard Slip Ring Kit, Includes Slip Ring, Spring, and Retaining Ring, Black $462.52 Add to Quote Product successfully added to the Quote List Buy now Add to WishlistRemove from Wishlist Add to Wishlist CMMG, Barrel, 300 AAC Blackout, 16.1″ Barrel, 1:7 Twist, Carbine 4140 CrMo Salt Bath Nitride Finish, 5/8″-24 TPI $4,596.96 Add to Quote Product successfully added to the Quote List Buy now Add to WishlistRemove from Wishlist Add to Wishlist CMMG, Gas Block Kit, .936″ ID, Low Profile, Black $918.56 Add to Quote Product successfully added to the Quote List Buy now