A1 Rear Sight Assembly AR-Style

A1 Rear Sight Assembly The A1 Rear Sight Assembly is a high-quality, mil-spec upgrade for AR-style rifles, offering reliable windage adjustment and rugged construction. Ideal for retro builds or replacement use, this kit includes all necessary parts for a full A1-style rear sight install-ready to restore or complete your fixed carry handle upper with confidence. Features Mil-Spec Dimensions Durable Steel Construction Windage Adjustable Made in the USA Includes Rear Sight Windage Drum Rear Sight Detent Rear Sight Detent Spring Rear Sight Aperture Rear Sight Windage Screw Rear Sight Roll Pin Rear Sight Flat Spring