Magpul AR-15 Flip-Up Adjustable MBUS PRO LR Rear Sight Black
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Magpul
Overview
The Magpul AR-15 Flip-Up Adjustable MBUS Pro LR Rear Sight in black is designed for precision aiming with its adjustable elevation and windage settings. The flip-up mechanism allows for quick deployment and retraction, ensuring that you can transition between sighting systems smoothly. This rear sight is often found in builds featuring a carbine gas system and chambered in 5.56 NATO, making it a popular choice among builders looking for reliable performance and versatility.
Specifications
August 2026 on GunPartPicker
Magpul AR-15 Flip-Up Adjustable MBUS PRO LR Rear Sight Black ranked #18 of the 26 rear sights builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #24 of the 59 rear sights builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 3 of the 4 retailers we track have it in stock. It dipped to $99.97 at KY Gun Company for a stretch in August 2026, well under its usual $114.99, so sales do come around. Buying today, the lowest price is $98.86 at GritR Sports, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
Not sure which rear sight to pick?
We ranked every rear sight by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Rear Sight Guide →Frequently Built With
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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