Magpul M-Back Front Up Sight is a low-cost, color injection molded, folding back-up sight. The MBUS Front Sight is adjustable for elevation and fits most 1913 Picatinny-railed hand guards, but is specifically tailored to the AR15/M16 platform.
- 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 most any MIL-STD-1913 Picatinny/STANAG 4694 railed hand guard and provides the same height-over-bore as standard A2 irons
- Protective wings shield the spring-locking A2 front sight post
- Elevation adjustment tool included, but most aftermarket A2 front sight adjustment tools may be used as well
- SPECIFICATIONS
- Weight, w/ hardware: 1.2 oz
- Height above rail, stowed: 0.51″
- Length, stowed: 2.6″
- Length, deployed: 1.5″
- ELEVATION ADJUSTMENT
- 1.6 MOA (1.886″/100m) per click with a 14.5″ sight radius
- 1.2 MOA (1.367″/100m) per click with a 20″ sight radius
