The Faxon Firearms 4150 Steel Low Profile Gas Block is engineered for precision and durability making it an essential component for firearms enthusiasts seeking optimal performance. Crafted from high-strength 4150 steel this ultralow profile gas block offers a sleek black finish that seamlessly complements your barrel. Designed for barrels with a .750-inch diameter gas journal it is ideal for lightweight builds featuring a drilled-through design for reduced weight. The secure attachment is ensured by three robust allen key fasteners providing stability and reliability. Note that the gas tube roll pin is not included.