Magpul Industries MBUS Back-Up Rear Sight Gen 2 Fits Picatinny Rails Black Finish Flip Up MAG248-BLK

Magpul Sight MBUS Rear Back-Up Sight Rear Picatinny Polymer Black

The MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. It is designed as a back-up sight for emergency situations. The dual aperture MBUS Rear Sight is adjustable for windage and fits most 1913 Picatinny rail equipped weapons, but is specifically tailored to the AR15/M16 platform.

Features:
- Impact resistant polymer construction provides light weight and resists operational abuse
- Spring-loaded flip up sight easily activated from either side or by pressing the top
- Detent and spring pressure keeps sight erect but allows for unobstructed folding under impact, etc.
- Clamps to MIL-STD-1913 Picatinny/STANAG 4694 receiver rail and provides the same height-over-bore as standard A2 irons
- Protective wings shield the dual, same plane flip apertures
- Sight can still be folded with either large or small aperture in position
- Detent knob easily and positively adjusts windage
- Made in U.S.A.

Specifications:
- Type: Flip-Up Rear Sight
- Color: Black
- Material: Polymer
- Mounts To Picatinny Rails
- MBUS – Rear Gen 2
- Weight (with hardware): 1.3 oz.
- Height above rail, stowed: ~0.51 in.
- Center of aperture to top of rail: 1.42 in.
- Length, stowed: 2.6 in.
- Length, deployed: 1.5 in.