Description
The Magpul MBUS Pro Sight – Front is a rugged, all-steel elevation-adjustable back-up front sight with a QPQ nitride finish. Stowed it sits about 0.43 in high and 1.63 in long, weighs 1.5 oz, and deploys to 1.56 in above the rail — standard AR sight height. Elevation adjusts without tools at roughly 1 MOA per click on a 14.5 in sight radius (0.7 MOA at 20 in), and two post widths are supplied: 0.06 in standard and 0.04 in match. It mounts to MIL-STD-1913 Picatinny / STANAG 4694 rails including receiver-height railed gas blocks. Made in the USA.
Key features
- All-steel construction with QPQ nitride finish
- Stowed height ~0.43 in, length 1.63 in; deploys to 1.56 in above rail
- Weight 1.5 oz
- Tool-less elevation, ~1 MOA per click (14.5 in sight radius)
- Two front posts: 0.06 in standard and 0.04 in match
- Fits MIL-STD-1913 / STANAG 4694 rails including receiver-height gas blocks
- Magpul code MAG275; made in the USA
Frequently asked questions
Can the MBUS Pro front mount on a railed gas block?
Yes — Magpul lists receiver-height railed gas blocks as compatible.
Which rear sight matches it?
The MBUS Pro Sight – Rear (MAG276).
Is it adjustable without tools?
Yes — elevation is tool-less; the post width is changed by swapping the supplied posts.
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.









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