Magpul MBUS Gen 3 Sight
Best reliable backup sights for AR-15 shooters needing lightweight, durable precision.
A streamlined, durable backup sight that stays out of the way until you need it. The tool-less adjustment and spring-loaded deployment make it a practical, low-profile choice for any rifle setup.
$29.95
at
AR15Discounts
More MBUS options
Who it's for
- Tactical shooters needing a snag-free, low-profile rail setup
- Field operators requiring quick, tool-free zeroing adjustments
- Weight-conscious builders prioritizing durability without added mass
Who should skip it
- High-volume shooters running sustained fire in extreme heat
- Budget-focused buyers satisfied with previous generation performance
- Precision marksmen demanding the crispest possible sight picture
Performance breakdown
Deployment Speed
Spring-loaded mechanism ensures rapid, reliable access when seconds truly matter.
Adjustment Precision
Tool-less elevation and windage controls make zeroing straightforward and intuitive.
Durability
Impact-resistant polymer construction handles operational abuse without adding unnecessary weight.
Profile Efficiency
Low-profile folded design minimizes snagging on gear and surrounding equipment.
Mounting Versatility
Standard Picatinny compatibility fits most platforms, though gas block mounting is restricted.
Sight Picture Clarity
Dual-width front post and rapid-select aperture provide a crisp, clear sight.
Key Specs
Weight
0.35 lbs
Front Sight Height (folded)
0.47 inches
Rear Sight Height (folded)
0.55 inches
Width
1.38 inches
Compatibility
Mil-spec 1913 Picatinny Rails
Compatibility
AR-15
Country of Origin
United States of America
Mounting Interface
Picatinny
Mounting Position
Upper Receiver
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Ask Metto anything about the Magpul MBUS Gen 3 Sight before you decide.
