Magpul MBUS Gen 2 – AR-15 Polymer Flip-Up Sights (Front & Rear)

Q: Will these sights work with my AR-15 or AR-10?

Yes, Magpul MBUS Gen 2 sights are compatible with any rifle that features a Picatinny rail. They work well on AR-15, AR-10, and other compatible platforms.

Q: What’s the difference between MBUS Gen 2 and Gen 3?

MBUS Gen 3 sights are slimmer and have a slightly refined design, but both generations offer tool-free adjustments and spring-loaded deployment. Gen 2 remains a cost-effective option.

Q: Can these co-witness with a red dot sight?

Yes, MBUS Gen 2 sights are designed to co-witness with most AR-height red dot sights, whether absolute or lower 1/3 co-witness.

Q: Are the adjustments really tool-free?

Yes. You can adjust windage on the rear sight and elevation on the front sight without any tools, making it easy to dial in your zero.

Q: Are they durable enough for regular use?

Despite being made from polymer, MBUS Gen 2 sights are tough, impact-resistant, and field-tested by thousands of AR owners across a variety of applications.

**Magpul MBUS Set (Front & Rear) - GEN 2 with Free MSP Silicone Gun Cloth** $88.35

Magpul MBUS Gen 2 – Proven Polymer Flip-Up Sights for AR-15 Rifles

The Magpul MBUS Gen 2 flip-up sights remain a favorite among AR-15 enthusiasts for good reason — they’re lightweight, reliable, and battle-proven. Built from impact-resistant polymer, these backup iron sights offer a budget-friendly way to outfit your rifle without compromising performance.

Ideal for range setups, training carbines, or any rifle where weight savings matter, the MBUS Gen 2 series offers simple installation and fast deployment — whether you're running them as a backup or your primary sighting system.

🔧 Key Features of MBUS Gen 2 Sights

Spring-Loaded Flip-Up Design – Instantly deploys with push-button release
Tool-Free Adjustments – Windage (rear) and elevation (front) are easily adjustable by hand
Standard AR Height – Works seamlessly with absolute or lower 1/3 co-witness red dots
Slim Folding Profile – Sits low when folded, reducing bulk and snag points
Durable Polymer Construction – Lightweight yet rugged enough for hard use
Made in the USA – Quality engineering from the trusted name in AR accessories

🔍 MBUS Gen 2 vs Gen 3 vs MBUS Pro

Feature	Gen 2	Gen 3	MBUS Pro (Steel)
Material	Polymer	Slimmer Polymer	All-Steel
Profile	Moderate	Lower	Ultra-Low
Adjustments	Tool-Free	Tool-Free	Tool-Free
Mount	Picatinny Rail	Picatinny Rail	Picatinny Rail
Weight	Light	Lighter	Heaviest
Best For	Budget Builds	Lightweight Rigs	Duty Carbines

If you're looking for a no-fuss, highly effective set of AR-15 flip-up sights, Gen 2 delivers proven performance at a great value.

📦 Available Options

MBUS Gen 2 Front Sight – Elevation-adjustable with spring-loaded pop-up
MBUS Gen 2 Rear Sight – Dual aperture and windage adjustable
Front & Rear Sight Set – Bundle both and save
Colors: Black or Flat Dark Earth (FDE)

All models mount securely to any Picatinny rail — no gunsmithing required.

💬 FAQ

Q: Will these sights work with my AR-15 or AR-10?
A: Yes. MBUS Gen 2 sights are compatible with any rifle that has Picatinny rails. They’re a popular fit for AR-15, AR-10, and similar carbines.

Q: What’s the difference between MBUS Gen 2 and Gen 3?
A: MBUS Gen 3 has a slimmer profile and slightly updated design, but both offer tool-free adjustment and spring-loaded deployment. Gen 2 remains the more budget-friendly option.

Q: Can these co-witness with a red dot sight?
A: Yes. These sights are standard AR-height, so they’ll co-witness with optics like EOTech, Aimpoint, or Holosun red dots at either absolute or lower 1/3 height.

Q: Are the adjustments really tool-free?
A: Absolutely. Windage on the rear sight and elevation on the front can be adjusted by hand — no extra tools needed.

Q: Are they durable enough for regular use?
A: Yes. Despite being made of polymer, MBUS Gen 2 sights are impact-resistant and field-proven by thousands of shooters worldwide.