Magpul MBUS Gen 3 Folding Rear Sight, Black - MAG1167-BLK

Magpul MBUS Gen 3 Folding Rear Sight, Black - MAG1167-BLK - Iron Sights for AR-15 - view 1
Magpul MBUS Gen 3 Folding Rear Sight, Black - MAG1167-BLK - Iron Sights for AR-15 - view 2
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Magpul

Overview

The Magpul MBUS Gen 3 Folding Rear Sight is a durable polymer sight designed to provide a reliable aiming solution for your AR-15. Its folding design allows for a low-profile setup when not in use, ensuring that it won't interfere with optics or other accessories. This rear sight typically features on builds that utilize a mid-length gas system and chambered in 5.56 NATO, making it a solid choice for a variety of configurations.

Specifications

MPNMAG1167-BLK
StylePolymer
Fixed FoldingFolding
ColorBlack
PositionRear
IlluminatedNo

Available Merchants(9)

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Optics Planet
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Frequently Built With

Based on build data

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

100%
AR-15100%

Caliber

100%
5.56 NATO100%

Gas System

50%
Carbine50%
Mid-Length50%
Frequently Built With Products
ProductCategoryTimes Built Together
Magpul Mbus 3 Front Sight - Stealth Gray16
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger16
Magpul Ar-15 Moe Stock Collapsible Mil-Spec Blk12
SilencerCo Velos LBP 556 Rifle Suppressor, Black11
Rise Armament Super Sporting Ar15/10 Single Stage Trigger - Flat - Dtom Special Edition11
Magpul AFG-2 Angled Fore Grip - Black11
Build Platform Breakdown
PlatformPercentage
AR-15100%
Build Caliber Breakdown
CaliberPercentage
5.56 NATO100%
Build Gas System Breakdown
Gas SystemPercentage
Carbine50%
Mid-Length50%

Builds Featuring This Part

See all 8

Builds in the community that include the Magpul MBUS Gen 3 Folding Rear Sight, Black - MAG1167-BLK

BuildPartsTotal
aero precision 14.5" 5.56
25$2037.99
First build
33$6259.47
LMT 12.5" build
27$2871.86
DMR 16" 5.56
28$3253.25
16" build
19$1006.17
fn america 14.5" build
29$2099.04
radian weapons 16" build
27$5123.99
AR9 still absolutely stoked with this build 🥲
8$996.85

Customer reviews

4.0out of 5

2 global ratings

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Top reviews

C
C_ruicifix55
MBUS Gen 3
Reviewed on May 13, 2026Verified with Build

gen 3 is lower profile than the gen 2, sits flatter under an LPVO. spring tension feels right, deploys positive with a thumb flick. one note, my zero shifted maybe an inch at 50 after the first range session as the picatinny clamp settled, retuned and its held since

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H
Haraldulf_99
happy overall
Reviewed on March 29, 2026Verified with Build

clear glass. wish the brightness adjustment was easier

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