The Sons of Liberty Gun Works AR-15 Pistol Grip Lock Washer is a precision-engineered component designed to enhance the stability and reliability of your firearm's grip assembly. Crafted specifically for the AR-15 platform this lock washer ensures a secure fit minimizing any unwanted movement or loosening of the pistol grip during operation. Made from durable materials it provides long-lasting performance and resilience under various conditions. Ideal for firearm enthusiasts looking to upgrade or maintain their AR-15 this lock washer is an essential part to ensure optimal grip and control.