Description

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Currently available in black only.

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The MBUS (Magpul® Back-Up Sight) is a low-cost, color injection molded, folding back-up sight.

The dual aperture MBUS Rear Sight is adjustable for windage, while the MBUS Front Sight is adjustable for elevation, and fits most 1913 Picatinny rail equipped weapons, 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 MIL-STD-1913 Picatinny/STANAG 4694 receiver rail and provides the same height-over-bore as standard A2 irons
Protective wings shield the dual, same plane flip apertures
Rear Sight can still be folded with either large or small aperture in position
Detent knob easily and positively adjusts windage
Front sight elevation adjustment tool included
Specifications:

MBUS – Rear Gen 2 (MAG248)

Weight, w/ hardware: 1.3 oz.
Height above rail, stowed: ~0.51 in.
Center of aperture to top of rail: 1.42 in.
Length, stowed: 2.6 in.
Length, deployed: 1.5 in.
MBUS – Front Gen 2 (MAG247)

Weight, w/ hardware: 1.2 oz.
Height above rail, stowed: ~0.51 in.
Length, stowed: 2.6 in.
Length, deployed: 1.5 in.
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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