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Magpul MBUS 3 Rear Sight Flat Dark Earth
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$59.99
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SKU: MAG1167-FDE-840815132202
Overview
Designed as a low-profile backup sight for AR setups, this rear sight is intended for shooters who want a compact option that stays out of the way until needed. It attaches to MIL-STD-1913 Picatinny rails and uses a spring-loaded flip-up design, with standard AR height when deployed. The impact-resistant polymer construction and reduced folded profile make it a practical choice for rifles where space and weight matter. Flat Dark Earth finish gives it a subdued look that pairs well with modern field and range builds.
Why Hunters Choose the Magpul
Slim, Low-profile
Design keeps the sight compact
Standard Ar
Height when deployed supports familiar
Attaches Mil-std-1913
Picatinny rails for broad compatibility
Spring-loaded Flip-up
Design allows quick deployment
Impact-resistant Polymer
Construction adds practical durability
Key Features
- Magpul MBUS 3 rear sight in Flat Dark Earth finish.
- Standard AR height when deployed.
- Slim, low-profile design when folded.
- Attaches to MIL-STD-1913 Picatinny rails.
- Impact-resistant polymer construction.
- Spring-loaded flip-up design.
- Measures 0.55 inches folded and 1.38 inches at its widest point.
Best Used For
- For hunters wanting a low-profile backup rear sight on a standard AR setup.
- For users who need a spring-loaded flip-up sight on MIL-STD-1913 Picatinny rails.
- For shooters prioritizing a compact folded profile for streamlined rifle storage.
- For those building a Flat Dark Earth rifle setup with matching sight color.
- For hunters who want a polymer rear sight with minimal added weight.
Specifications
| Blade Finish | Flat Dark Earth |
|---|---|
| Construction Material | Impact-Resistant Polymer |
| Country Of Origin | USA |
| Deployed Height | Standard AR Height |
| Design | Spring-Loaded Flip Up |
| Height When Folded | 0.55 in |
| Item Number | MAG1167-FDE |
| Rail Compatibility | MIL-STD-1913 Picatinny Rails |
| Sight Type | Rear Sight |
| Weight | 1.06 oz |
| Weight With Hardware | 30 grams |
| Width At Widest Point | 1.38 in |
Pros
- Slim, low-profile design keeps the sight compact when folded.
- Standard AR height when deployed supports familiar sight alignment.
- Attaches to MIL-STD-1913 Picatinny rails for broad compatibility.
- Spring-loaded flip-up design allows quick deployment.
- Impact-resistant polymer construction adds practical durability.
- Flat Dark Earth finish matches FDE rifle setups.
Considerations & Trade-offs
- Designed as a rear sight for standard AR height when deployed, so it is intended for that platform fit rather than universal use.
- The slim, low-profile folded shape helps reduce bulk, but it still adds a dedicated backup sight to the rifle setup.
- Spring-loaded flip-up operation is convenient, though it introduces a moving mechanism that should be checked as part of regular setup and maintenance.
- Impact-resistant polymer construction keeps weight down, but it is not a metal-sight option for users who prefer that feel or construction style.
Suggested Comparisons
- AR backup iron sights
- Flip-up rear sights
- Picatinny rail sight accessories
- Low-profile rifle sight options
Suggested Accessories
- Picatinny rail-mounted optic
- Front backup sight
- Sight adjustment tool
- Protective rifle case
Frequently Asked Questions
What type of rail does the MBUS 3 Rear Sight attach to?
It attaches to MIL-STD-1913 Picatinny rails.
Is this rear sight designed for standard AR height when deployed?
Yes. The product data states it is standard AR height when deployed.
How compact is the sight when folded?
According to the provided specifications, it measures 0.55" high when folded and 1.38" at its widest point.
What material is the MBUS 3 Rear Sight made from?
The source data lists impact-resistant polymer construction.
Does the product include any details about compatibility beyond Picatinny rails?
No additional compatibility details are provided in the source data beyond MIL-STD-1913 Picatinny rail attachment and standard AR height when deployed.