|Manuf. Process||Cold Hammer Forged|
|Muzzle Thread||1 ⁄ 2 × 28 TPI (Threads Per Inch)|
|Material||Chrome Moly Vanadium|
|Outside Finish||Mil-Spec Heavy Phosphate|
|Gas System||Carbine Length|
|Diameter At Gas Port||.750″|
Once this part is assembled into a complete firearm, it becomes a regulated item by the National Firearms Act (NFA). Please check with your local and state municipalities for any further regulatory requirements. It is the buyer’s responsibility to make sure they comply with all NFA rules and applicable laws.