THIS ITEM IS NO LONGER IN STOCK AND IS LOCATED IN THE PAINTBALL GRAVEYARD. THE MANUFACTURER HAS DISCONTINUED THIS PRODUCT AND THERE IS NO CHANCE OF EVER RECEIVING IT. DO NOT PURCHASE THIS ITEM BECAUSE IT WILL NEVER SHIP OUT TO YOU!!! This section was built to let you read and learn about products from the past.

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.

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