Magpul MBUS Pro Sight – Rear (MAG276) — the all-steel, QPQ-nitride flip-up rear back-up sight: 0.38 in stowed, 1.80 oz with hardware, dual apertures (0.07 in and 0.19 in) and tool-less windage, deploying to standard AR height.
$219.95
2 in stock (can be backordered)
The Magpul MBUS Pro Sight – Rear sets the standard for a back-up rear sight: all-steel construction with a QPQ nitride finish, a low 0.38 in stowed height and 2.1 in stowed length, and 1.80 oz weight with hardware. It deploys to 1.42 in above the rail (standard AR height) and offers a flip-over dual aperture — 0.07 in small and 0.19 in large. Windage adjusts without tools at about 0.5 MOA per click on a 14.5 in sight radius (0.4 MOA at 20 in), with detent-secured components. Mounts to MIL-STD-1913 Picatinny / STANAG 4694 rails. Made in the USA.
Does the MBUS Pro rear co-witness with a red dot?
It deploys to standard AR sight height (1.42 in above the rail), so it co-witnesses with optics mounted at standard AR height.
Which front sight pairs with it?
The MBUS Pro Sight – Front (MAG275) is the matching front; the MBUS Pro Offset set (MAG525/526) is the 45-degree version.
Is it steel or polymer?
All steel with a QPQ nitride finish.
Specifications from Magpul (magpul.com).
Firearm parts and accessories are supplied by 3 Gun Tactical, Licensed Firearms Dealer 50001578, Tingalpa QLD. Check your state’s firearm-parts and magazine rules before ordering.
The Magpul MBUS Pro Sight – Rear sets the standard for a back-up rear sight: all-steel construction with a QPQ nitride finish, a low 0.38 in stowed height and 2.1 in stowed length, and 1.80 oz weight with hardware. It deploys to 1.42 in above the rail (standard AR height) and offers a flip-over dual aperture — 0.07 in small and 0.19 in large. Windage adjusts without tools at about 0.5 MOA per click on a 14.5 in sight radius (0.4 MOA at 20 in), with detent-secured components. Mounts to MIL-STD-1913 Picatinny / STANAG 4694 rails. Made in the USA.
Does the MBUS Pro rear co-witness with a red dot?
It deploys to standard AR sight height (1.42 in above the rail), so it co-witnesses with optics mounted at standard AR height.
Which front sight pairs with it?
The MBUS Pro Sight – Front (MAG275) is the matching front; the MBUS Pro Offset set (MAG525/526) is the 45-degree version.
Is it steel or polymer?
All steel with a QPQ nitride finish.
Specifications from Magpul (magpul.com).
Firearm parts and accessories are supplied by 3 Gun Tactical, Licensed Firearms Dealer 50001578, Tingalpa QLD. Check your state’s firearm-parts and magazine rules before ordering.
| Brand | Magpul |
|---|---|
| Model | MBUS Pro Sight – Rear |
| Magpul code | MAG276 |
| Type | Flip-up back-up rear sight |
| Height stowed | ~0.38 in |
| Deployed height | 1.42 in above rail (standard AR height) |
| Length stowed | 2.1 in |
| Weight | 1.80 oz with hardware |
| Apertures | 0.07 in small / 0.19 in large |
| Windage adjustment | ~0.5 MOA per click at 14.5 in sight radius; tool-less |
| Mounting | MIL-STD-1913 Picatinny / STANAG 4694 |
| Material | Steel, QPQ nitride finish |
| Country of origin | USA |
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