Machined from stainless steel and made with a minimal profile, this ODIN Works adjustable AR-15 gas block will fit underneath all of the company's slim AR handguards and is designed to fit onto all of ODIN's direct-impingement AR-15 barrels, as well as any other AR barrels outfitted with .750 gas-block journals. This .750 stainless-steel gas block is treated with a nitride finish and weighs 1.90 ounces, including the cross pin, set screws and steel tuning screws that ship with the gas block. The wrenches needed for adjustment are also included with the block.