The Magpul MBUS 3 rear sight in Flat Dark Earth is a 30 gram polymer back-up sight that folds to just 0.55 inches, pops up at standard AR height with an ambidextrous button and gives you a rapid-select wide or narrow aperture with tool-less windage.
$139.95
1 in stock (can be backordered)
The Magpul MBUS 3 Sight – Rear in Flat Dark Earth (part MAG1167-FDE) is the third-generation Magpul Back-Up Sight for AR-15, M4, AR-10 and SR25 pattern rifles. It is moulded from impact-resistant polymer, weighs about 30 grams with hardware, folds to 0.55 inches high and clamps to a MIL-STD-1913 Picatinny rail. Deployed, it sits at standard AR height with a rapid-select rotating aperture and tool-less windage adjustment, making it a light, low-profile back-up to a red dot or magnified optic.
Does the MBUS 3 rear sight fit my rifle? It clamps to any MIL-STD-1913 Picatinny rail and is designed for AR-15/M4 and AR-10/SR25/M110 pattern rifles at standard AR sight height.
How does it differ from the original MBUS? Magpul reduced the MBUS 3 in size – 0.55 inch folded height and 30 g – and added the rapid-select rotating aperture and tool-less windage, while keeping the spring-loaded ambidextrous deployment.
Is this the rear or front sight? This listing is the rear sight only (MAG1167-FDE). The matching MBUS 3 front sight is sold separately.
The Magpul MBUS 3 Sight – Rear in Flat Dark Earth (part MAG1167-FDE) is the third-generation Magpul Back-Up Sight for AR-15, M4, AR-10 and SR25 pattern rifles. It is moulded from impact-resistant polymer, weighs about 30 grams with hardware, folds to 0.55 inches high and clamps to a MIL-STD-1913 Picatinny rail. Deployed, it sits at standard AR height with a rapid-select rotating aperture and tool-less windage adjustment, making it a light, low-profile back-up to a red dot or magnified optic.
Does the MBUS 3 rear sight fit my rifle? It clamps to any MIL-STD-1913 Picatinny rail and is designed for AR-15/M4 and AR-10/SR25/M110 pattern rifles at standard AR sight height.
How does it differ from the original MBUS? Magpul reduced the MBUS 3 in size – 0.55 inch folded height and 30 g – and added the rapid-select rotating aperture and tool-less windage, while keeping the spring-loaded ambidextrous deployment.
Is this the rear or front sight? This listing is the rear sight only (MAG1167-FDE). The matching MBUS 3 front sight is sold separately.
| Brand | Magpul |
|---|---|
| Model | MBUS 3 Sight – Rear |
| Part number | MAG1167-FDE |
| Colour | Flat Dark Earth (FDE) |
| Material | Impact-resistant polymer |
| Weight | 30 g (1.06 oz) with hardware |
| Folded height | 0.55 in |
| Width | 1.38 in at widest point |
| Sight height | 1.42 in rail top to aperture centre (standard AR height) |
| Aperture | Rapid-select rotating, wide or narrow |
| Adjustment | Tool-less windage |
| Mount | MIL-STD-1913 Picatinny rail |
| Country of origin | USA |
| Availability | In stock at 3GT |
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