A1 Rear Sight Parts Kit

If you're building up an A1 receiver for a retro build this rear sight kit is just what you need to finish the job. Slap one of these kits on our stripped A1 uppers for a truly authentic retro look. 

You get:

• (1) Sight aperture
• (1) Windage screw
• (1) Detent drum
• (1) Detent
• (1) Detent spring
• (1) Roll pin
• (1) Leaf spring

Compatible with:

• A1 upper receivers

Installation Difficulty: 

Tools required: Flathead screwdriver, roll pin starter and punches

Installation notes: Youtube is your friend