Magpul MBUS Pro Flip Up Backup Rear Sight Black
Original price was: $124.95.$118.70Current price is: $118.70.
Upgrade your firearm with the Magpul MBUS Pro Flip-Up Backup Rear Sight. Crafted from steel with a QPQ Melonite finish, this rear sight features dual apertures and tool-less windage adjustments for precise aiming. With positive detent positions and a compact design, it’s suitable for professional and recreational shooters alike. Experience reliable performance and Made in the USA quality.
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Magpul MBUS Pro AR-15 Backup Rear Sight
The Magpul MBUS Pro Flip Up Backup Rear Sight is the perfect addition to your firearm. The increased benefits of the Pro Model are in the innovative design and construction. The MBUS Pro is constructed of steel, folds flatter and is corrosion resistant. Additionally, the dual aperture, windage adjustable rear and tool-less elevation adjustments on the front sight excel in all Picatinny rail mounting applications, including rail-height gas blocks. The MBUS Pro Rear Sight and front sight have positive detents to stabilize the sights when deployed or stowed. Also, along with the heavy-duty construction the Pro line of sights are small and compact, and the narrow front is compatible with most aiming lasers and light applications. Don’t miss a shot again, order your Magpul MBUS Pro Flip Up Backup Rear Sight today!
Magpul Pro Flip-Up Rear Sight Black Features:
- steel construction with a QPQ Melonite finish
- ~0.5 MOA (0.566″/100m) per click with a 14.5″ sight radius
- ~0.4 MOA (0.410″/100m) per click with a 20″ sight radius
- No Tool needed windage adjustable
- Picatinny rail compatible
- Also, up and down Positive Detent positions
- Standard AR-15 sight height when deployed
- Height – Stowed: ~0.37″
- Length – Stowed: 2.1″
- Aperture height over rail: 1.41″
- Also, small aperture diameter: 0.07″
- Large aperture diameter: 0.19″
- Weight: 1.80 oz
- Made in the USA
- SKU: MAG276
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov
The MBUS Pro rear sight uses a steel body rather than the polymer MBUS Gen 2, providing greater impact resistance and a slimmer folded profile. The steel aperture rotates between a smaller precision aperture and a larger emergency aperture. Tool-assisted windage adjustment allows precise zeroing. The MBUS Pro rear mounts to any standard Picatinny rail and pairs with the MBUS Pro front sight for a complete steel BUIS set.
| Weight | 1 lbs |
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Frequently Asked Questions
What is the difference between the MBUS Gen 2 and MBUS Pro?
The MBUS Pro uses a steel body instead of the polymer MBUS Gen 2 construction, providing greater impact resistance and a slimmer folded profile. The Pro is Magpul’s higher-end steel BUIS for shooters who prioritize maximum durability under hard use.
Does the Pro rear aperture have multiple sizes?
Yes — the steel aperture rotates between a smaller precision aperture and a larger emergency aperture. Tool-assisted windage adjustment allows precise zeroing at the intended distance.
What rail systems is this compatible with?
The MBUS Pro rear sight mounts to standard Picatinny rails on AR-15 flat-top upper receivers and pairs with the MBUS Pro front sight for a complete steel BUIS set.








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