Magpul MBUS Sights

Back-Up Sights Built for Speed, Strength & Simplicity

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Trusted Backup Iron Sights for Your AR-15 or Tactical Rifle

Magpul MBUS (Magpul Back-Up Sight) systems are industry-standard when it comes to lightweight, durable, and combat-ready backup iron sights. Whether you're running a red dot or LPVO, a solid set of flip-up BUIS is critical — and Magpul delivers.

At Mounts Plus, we carry the complete Magpul MBUS lineup, including the Gen 2 polymer sights, MBUS Pro all-steel sights, and MBUS Pro Offset sights for 45° mounting configurations. All models are low-profile, fast-deploying, and mil-spec tested — ideal for professional, tactical, and home defense rifles.

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Magpul MBUS Sight Options

MBUS Gen 2 Sights

• Reinforced polymer construction — lightweight but rugged

• Spring-loaded, push-button deployment

• Tool-free windage (rear) and elevation (front) adjustments

• Fits any MIL-STD-1913 Picatinny rail

• Front and rear sold separately or as a set

• Available in black, FDE, OD green, and gray

MBUS Pro Sights

• Melonite-treated steel construction for maximum durability

• Slim profile – won’t obstruct optics or magnifiers

• Tool-less micro adjustments for windage and elevation

• Ambidextrous deployment

• Made in the USA, mil-spec trusted

🔧 MBUS Pro Offset Sights

• 45° angled sights – perfect for competition or optics-ready rifles

• Same steel construction as standard MBUS Pro

• Ideal for fast transitions between red dots and irons

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Compare Magpul MBUS Models

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Why Choose Magpul MBUS?

• ✅ Battle-tested quality trusted by military and law enforcement

• ✅ Compatible with AR-15, AR-10, and other flat-top rifles

• ✅ Zero-retaining, low-profile design that won’t snag or block optics

• ✅ Fast deployment with ambidextrous access

• ✅ Tool-free zeroing for front and rear sights

• ✅ Made in the USA

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Compatibility Notes

• All MBUS models fit MIL-STD-1913 Picatinny rails (not for railed gas blocks)

• Rear sights pair with standard AR-15 front posts, or use with matching MBUS front

• Offset sights require side-mount rails or mounts — ideal for LPVO or scope setups

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Frequently Asked Questions

Q: What’s the difference between MBUS Gen 2 and MBUS Pro?
A: MBUS Gen 2 sights are made of polymer and are lighter, while MBUS Pro sights are all steel, slimmer, and more durable — ideal for duty or hard use.

Q: Can I use MBUS with a red dot or scope?
A: Yes. MBUS sights are designed to co-witness with most AR-15 optics and fold flat when not in use. Offset models work with magnified scopes.

Q: Do the sights come as a set or individually?
A: You can purchase front and rear MBUS sights separately or as a matched sight set.

Q: Will MBUS sights fit an AK or non-AR rifle?
A: Only if the firearm has a Picatinny rail on the top cover or handguard. MBUS sights require a stable, in-line mounting surface.

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Shop Magpul MBUS at Mounts Plus

Whether you’re building a lightweight range rifle or outfitting a professional-grade tactical setup, Magpul MBUS sights are the go-to backup sighting solution. Simple, durable, and ready when your optics aren’t — MBUS sights are an essential part of any AR build.

Order today and equip your rifle with dependable, USA-made Magpul MBUS sights.