NcStar MARDRS AR15 Rear A2 Backup Iron Sight Black Dual Aperture for AR-15 Grips and Recoil Pads Lyman's ammo checker allows reloaders

Lyman's ammo checker allows reloaders to quickly confirm ammo will fit in a firearm's chamber

The 42mm objective lens ensures excellent light transmission

competition

Made of soft non-molded leather with thumb break and integral belt loop for OWB carry

The kit includes: striker (firing pin) spring

NcStar MARDRS AR15 Rear A2 Backup Iron Sight Black Dual Aperture for AR-15 Grips and Recoil Pads Lyman's ammo checker allows reloadersThe NcStar AR 15 Detachable Rear A2 Iron Back up Sight (dual aperture) is precision made with aluminum and steel. The fixed A2 design is adjustable for windage and elevation and it mounts onto Weaver and Picatinny type rails.