This Luth-AR lock washer is used to install an A1-style compensator. A lock washer sits behind the muzzle device and helps keep it timed and tight on the barrel. It is a small but easy-to-lose part when swapping muzzle devices. Check the part number against your firearm before ordering.
- Brand: Luth-AR
- Type: compensator lock washer
- For: A1 compensator
- Listed weight: 0.02 lb
- Part number: BL-06LW