Upgrading your favorite Glock handgun is easier than ever with a drop-in barrel from Foxtrot Mike Products! This precision barrel is cut from the same 41V50 chrome moly vanadium steel used on military rifle barrels for exceptional durability. The low friction salt bath nitride finish makes cleaning a breeze and is highly wear resistant, perfect for high-volume training and competition. This model is threaded 1/2x28 to accept compensators or suppressors to really get a leg up on the competition and includes a machined thread protector if you are still on the fence on what muzzle device to go with.Features: 9mm chamber Precision cut 41V50 steel Fluted Slick salt bath nitride finish Drop in fit Fits Glock 17 Gen 1-4 handguns Threaded 1/2x28 for compensators or suppressors Includes thread protectorDISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.