Magpul MBUS Sight – Front
The MBUS (Magpul® Back-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.
Made in U.S.A.
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 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:
MBUS – Front
- Weight, w/ hardware: 1.2 oz.
- Height above rail, stowed: ~0.51 in.
- Length, stowed: 2.6 in.
- Length, deployed: 1.5 in.
- 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
*NOTE:
Cannot be mounted to a railed gas block due to excess heat issues.
Front MBUS must be mounted to a railed fore end on the same plane as the
receiver rail. Because of this the sight is also not compatible with
MOE Hand Guards.
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