Description
PRODUCT DETAILS
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.
An elevation adjustment tool is included, but most aftermarket A2 front sight adjustment tools may be used as well.
Made in the USA.
SPRING-LOADED FLIP UP SIGHT
Easily activated from either side or by pressing the top
Protective wings shield the spring-locking A2 front sight post
IMPACT-RESISTANT POLYMER CONSTRUCTION
Polymer construction provides light weight and resists operational abuse
DETENT AND SPRING PRESSURE KEEPS SIGHT ERECT
Detent and spring pressure keeps sight erect but allows for unobstructed folding under impact, etc.
CLAMPS TO MOST MIL-STD-1913 PICATINNY RAILS
Compatible with most MIL-STD-1913 Picatinny / STANAG 4694-railed hand guards* and provides the same height-over-bore as standard A2 irons
WARNING: Observe safe firearm handling practices at all times. Failure to do so may result in serious bodily injury or death. Magpul Industries shall not be responsible for injury, death, or property damage resulting from faulty installation, misuse, illegal use, or modification of this product.
TECHNICAL SPECIFICATIONS
| Position | Front |
|---|---|
| Height above rail, stowed | ~0.51 in. |
| Length, deployed | 1.5 in. |
| Length, stowed | 2.6 in. |
| Weight, w/ hardware | 1.2 oz. |
| Other Specs | 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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