AR-15 Rear Sight Flip Up Polymer Black
$44.99 at Sportsman's Warehouse · 6 stores
In stock
Best price
$44.99at GunMag Warehouse
In stock checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| GunMag Warehouse Best price | $44.99checked Oct 1, 2026 | In stock | Buy at GunMag Warehouse | |
| OpticsPlanet | $48.99Salechecked Oct 1, 2026 | In stock | Buy at OpticsPlanet | |
| Brownells | $56.95checked Oct 1, 2026 | In stock | Buy at Brownells | |
| MidwayUSA | $56.95checked Oct 1, 2026 | In stock | Buy at MidwayUSA | |
| Ammunition Depot | $59.99checked Oct 1, 2026 | In stock | Buy at Ammunition Depot | |
| Battlehawk Armory | $38.26Salechecked Oct 1, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $56.99Salechecked Oct 1, 2026 | Check store | Buy at Palmetto State Armory | |
| Magpul | $59.95checked Oct 1, 2026 | Check store | Buy at Magpul |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $40.99 at GunMag Warehouse. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $59.99 | $59.99 | $59.99 |
| Battlehawk Armory | $38.26 | $38.26 | $38.26 |
| Brownells | $56.95 | $56.95 | $56.95 |
| GunMag Warehouse | $44.99 | $40.99 | $44.99 |
| Magpul | $59.95 | $59.95 | $59.95 |
| MidwayUSA | $56.95 | $48.40 | $56.95 |
| OpticsPlanet | $48.99 | $48.99 | $48.99 |
| Palmetto State Armory | $56.99 | $56.99 | $56.99 |
Since Sep 27, 2026.
About this part
The MBUS 3 Rear Sight Flip-Up Adjustable Polymer Black is an iron sight from Magpul. It's sold by 8 stores (5 in stock), from $38.26 to $59.99. The lowest in-stock price in the last 30 days was $40.99 at GunMag Warehouse.
Specifications
- Manufacturer
- Magpul
- Color
- Black
- Type
- Iron Sights
- Magnification class
- 1x (non-magnified)
From the manufacturer
The next evolution in Magpul's MBUS (MagpulA(R) Back-Up Sight) line, the MBUS 3 incorporates the best features, strengths and value of Magpul's original MBUS and MBUS Pro Sights in a feature-packed back-up sight system. Significantly reduced in size from the MBUS, it sits at just .44" when folded and 1.15" at its widest point. Its aesthetics are derived from the MBUS Pro, but the MBUS 3 Rear Sight is constructed of their impact-resistant polymer, making it lightweight and extremely durable. Featuring the same spring-loaded technology as its predecessor, they can be deployed with an ambidextrous push-button. The MBUS 3 sits at standard AR-height when deployed Mfg: Magpul
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