The MBUS (Magpul® Back-Up Sight) is an inexpensive, color-painted, foldable spare sight. The MBUS visor is height adjustable and fits most 1913 Picatinny handguards, but is specially made for the AR15 / M16 platform. An elevation adjustment tool is included, but most aftermarket A2 visor adjustment tools can also be used.
Made in the US.
SPRING-LOADED VISOR
Easy to activate from both sides or by pressing the top Protective wings protect the spring-loaded A2 visor style
IMPACT-RESISTANT POLYMER CONSTRUCTION
Polymer construction provides light weight and resists operational abuse
COMPRESSION SPRING KEEPS THE VISOR UPRIGHT
The pawl and spring pressure keep the visor upright but allow the visor to fold in unhindered in the event of a collision etc.
CLAMPS TO MOST MIL-STD-1913 PICATINNY RAILS
Compatible with most MIL-STD-1913 Picatinny / STANAG 4694 rail hand guards* and provides the same height across the bore as standard A2 irons.
