$95.48
Availability: In Stock
The Magpul MBUS Pro flip-up rear sight for AR-15 is a no-nonsense steel backup sighting system built for shooters who want rock-solid reliability without the frills. Whether you're running a primary optic that needs a failsafe or setting up a rifle from scratch, this all-steel rear sight stacks up as one of the most durable and practical backup sights on the market. It's made in the USA and engineered to handle hard use in any environment.
What sets the MBUS Pro apart is its tough-as-nails construction. The all-steel design is case hardened and coated with Melonite QPQ finish—a corrosion-resistant treatment that shrugs off rust and wear. It mounts directly to any MIL-STD-1913 Picatinny or STANAG 4694 rail, including rail-height gas blocks, so you have plenty of mounting flexibility. When you flip it up, positive detents lock it into place at standard AR sight height. Stow it down and it sits so low it won't interfere with your primary optic or get in the way until you actually need it.
The windage adjustment is handled via a low-profile knob that requires no tools—just dial it in and you're good. The dual aperture design gives you options for different lighting and shooting distances. The rear sight's narrow profile is also compatible with most IR aiming lasers and light setups, making it a solid choice if you're running night-vision or specialized tactical gear.
This is the rear sight only—you'll need to grab the front sight separately if you're building a complete backup sight pair. It's the kind of gear that earns its place on a rifle and stays there, ready to work when your primary optics fail.
| Product Type | Flip-up rear sight |
| Brand | Magpul |
| Material | Steel, case hardened with Melonite QPQ finish |
| Mount Type | MIL-STD-1913 Picatinny / STANAG 4694 rail |
| Adjustment | Windage adjustable, tool-free |
| Aperture | Dual aperture |
| Height When Deployed | Standard AR sight height |
| Color | Steel Black |
| Origin | Made in USA |
Yes. The MBUS Pro rear sight mounts on any MIL-STD-1913 Picatinny rail or STANAG 4694 rail, including rail-height gas blocks. This covers standard AR-15 platforms and most modern AR-pattern rifles.
Yes. When stowed, the MBUS Pro sits so low it won't interfere with most primary optics. It's designed to be a backup sight, so it works best as a failsafe if your primary optic goes down. The narrow profile also makes it compatible with IR aiming lasers and tactical lights mounted on your rail.
No. The windage adjustment is handled via a low-profile knob that requires no tools. You can dial it in by hand whenever you need to make adjustments.
This is the rear sight only. If you want a complete backup sight setup, you'll also need the MBUS Pro front sight.
SKU: 115802944 • Width: 3.1in • Height: 1.4in • Depth: 3.8in • Weight: 0.19oz
Availability: In Stock
The Magpul MBUS Pro flip-up rear sight for AR-15 is a no-nonsense steel backup sighting system built for shooters who want rock-solid reliability without the frills. Whether you're running a primary optic that needs a failsafe or setting up a rifle from scratch, this all-steel rear sight stacks up as one of the most durable and practical backup sights on the market. It's made in the USA and engineered to handle hard use in any environment.
What sets the MBUS Pro apart is its tough-as-nails construction. The all-steel design is case hardened and coated with Melonite QPQ finish—a corrosion-resistant treatment that shrugs off rust and wear. It mounts directly to any MIL-STD-1913 Picatinny or STANAG 4694 rail, including rail-height gas blocks, so you have plenty of mounting flexibility. When you flip it up, positive detents lock it into place at standard AR sight height. Stow it down and it sits so low it won't interfere with your primary optic or get in the way until you actually need it.
The windage adjustment is handled via a low-profile knob that requires no tools—just dial it in and you're good. The dual aperture design gives you options for different lighting and shooting distances. The rear sight's narrow profile is also compatible with most IR aiming lasers and light setups, making it a solid choice if you're running night-vision or specialized tactical gear.
This is the rear sight only—you'll need to grab the front sight separately if you're building a complete backup sight pair. It's the kind of gear that earns its place on a rifle and stays there, ready to work when your primary optics fail.
| Product Type | Flip-up rear sight |
| Brand | Magpul |
| Material | Steel, case hardened with Melonite QPQ finish |
| Mount Type | MIL-STD-1913 Picatinny / STANAG 4694 rail |
| Adjustment | Windage adjustable, tool-free |
| Aperture | Dual aperture |
| Height When Deployed | Standard AR sight height |
| Color | Steel Black |
| Origin | Made in USA |
Yes. The MBUS Pro rear sight mounts on any MIL-STD-1913 Picatinny rail or STANAG 4694 rail, including rail-height gas blocks. This covers standard AR-15 platforms and most modern AR-pattern rifles.
Yes. When stowed, the MBUS Pro sits so low it won't interfere with most primary optics. It's designed to be a backup sight, so it works best as a failsafe if your primary optic goes down. The narrow profile also makes it compatible with IR aiming lasers and tactical lights mounted on your rail.
No. The windage adjustment is handled via a low-profile knob that requires no tools. You can dial it in by hand whenever you need to make adjustments.
This is the rear sight only. If you want a complete backup sight setup, you'll also need the MBUS Pro front sight.
SKU: 115802944 • Width: 3.1in • Height: 1.4in • Depth: 3.8in • Weight: 0.19oz