The Luth-AR BL-06LW A1 Compensator Lock Washer is a simple but critical piece of barrel hardware designed specifically for AR-15 rifles using A1-style compensators. Engineered to sit on the barrel threads behind the muzzle device, this lock washer helps maintain proper tension so your compensator stays securely indexed shot after shot.

Ideal for builders, armorers, and anyone swapping or servicing AR-15 muzzle devices, this washer is sized for .223 Remington and 5.56 mm barrels using A1 compensators. It is a practical spare to keep in your parts kit, especially since small hardware like this can be easily misplaced or damaged during installation. Backed by Luth-AR’s reputation for dependable AR components, the BL-06LW lock washer offers straightforward functionality and consistent performance.

Key Features:

• Manufacturer: Luth-AR
• Model: BL-06-LW A1 Compensator Lock Washer
• Caliber: .223 Remington / 5.56 mm
• Application: AR-15 A1-Style Compensator