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.
Export Administration Regulations Controlled Product
MBUS – Front
*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.
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.
EXPORT NOTICE: This is an item controlled for export by the Export Administration Regulations (EAR) under the Commerce Control List (CCL). These controls take the form of export regulations and license requirements.
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