The Aero Precision Caliber Crush Washer 5/8” is a high-quality phosphate coated replacement for lost or damaged parts.

Features:
Used behind flash hider
Phosphate coated
Made in the U.S.A.

Aero Precision takes some of the most state-of-the-art manufacturing techniques and equipment derived from their work in the aerospace industry and applies it to their products in the firearms industry. They have utilized their knowledge from years of building aircraft components to design and engineer AR-15 handguards, receiver sets, scope mounts, and more. They treat every product as if it were a precision flying machine and adhere to strict quality standards to ensure law enforcement, military, and civilian customers receive a product they can rely on.