A1 Rear Sight Assembly - UR-21A

Give your modern AR-15 / M16A1 that retro look and feel with the Luth-AR A1 Rear Sight Assembly

Manufacturer Number: UR-21A
Material: Steel
Finish: Matte Black

Kit Includes:

• UR-09-E3 Rear Sight Windage Drum
• UR-10-E3 Rear Base Spring Pin
• UR-13-E3 Rear Sight Aperture A1
• UR-11-E3 Rear Sight Detent
• UR-12-E3 Detent Spring
• UR-14-E3 Rear Sight Windage Screw
• UR-28 Rear Sight Flat Spring