Primary Arms SLx MD-21 Micro Red Dot Sight - 2 MOA Red Dot
The Primary Arms SLx MD-21 is a compact micro red dot sight featuring a 2 MOA red dot reticle, top-mounted push button controls, and AutoLive motion-activated illumination (auto shutoff after 2 minutes of no motion with instant wake on movement).
Built with an aluminum body and hardcoat anodized finish, the MD-21 uses a standard microdot/Aimpoint Micro mount pattern and is set up on an M1913 Picatinny mount.