Magpul AR-15 MBUS Rear Back-Up Sight, Gen 2

Magpul MBUS Rear Sight: Features

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 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
• Sight can still be folded with either large or small aperture in position
• Detent knob easily and positively adjusts windage

SPECIFICATIONS

• 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.

WINDAGE ADJUSTMENT

• ~0.7 MOA (0.754"/100m) per click with a 14.5" sight radius
• ~0.5 MOA (0.547"/100m) per click with a 20" sight radius

FAQ

Is it adjustable?

Yes. A detent knob adjusts windage.

What apertures does it have?

Dual same-plane flip apertures, and the sight can fold with either the large or small aperture in position.

Does it fit my rifle?

It fits most MIL-STD-1913 Picatinny receiver rails and is tailored to the AR-15/M16 platform.

Does it ship to an FFL?

No. It is not a firearm, so it ships directly to your address.

Related: Shooting accessories · AR-15 upper assemblies

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