Magpul MBUS 3 Sight Rear Sight Black
The next evolution in our MBUS (Magpul Back-Up Sight) line the MBUS 3 incorporates the best features strengths and value of the original MBUS and MBUS Pro Sights in a feature-packed back-up sight system.
Significantly reduced in size from the MBUS it sits at just 0.55” high when folded 1.38” at its widest point and weighs a scant 30 grams with hardware. Its aesthetics are derived from the MBUS Pro but the MBUS 3 Rear Sight is constructed of our impact-resistant polymer making it lightweight and extremely durable. Featuring the same spring-loaded technology as its predecessor they can be deployed with an ambidextrous push-button.
The MBUS 3 Rear Sight sits at standard AR-height when deployed and includes a windage adjustable rapid-select aperture system.
Made in the USA.
| UPC | |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | |
| Style | |
| Model | |
| Product Type |
Magpul MBUS 3 Sight Rear Sight Black
$65.80
Related products
🚚 Shipping Information
Non-FFL Items
✅ Ships directly from our distributor
✅ Arrives in 3–7 business days
FFL Items (Firearms & Restricted Products)
📦 Must ship to us first due to manufacturer restrictions
⚡ Minimal delay — we ship it out as soon as we receive it
📍 Delivered to your chosen local FFL or available for pickup with us
📅 Total time: 5–10 business days including transfer or pickup scheduling
Quick FAQ – Blackbox Ballistics
Prices & Sales – We price with a standard percent over cost unless MAP restrictions apply. We often run sales, and if you see a better price, give us a shot at meeting or beating it.
Inventory – We’re not a full brick-and-mortar store, so most items ship from distributors. Sometimes we have products in stock — especially popular ammo for pickup day.
Special Orders – Don’t see it? We can probably get it. Just ask.
Returns – See our Return Policy for details. Firearms, ammo, and special orders can’t be returned once transferred or shipped.
Transfers – Yes, we handle transfers from other sellers. By appointment for privacy.
Payments – We accept cash, credit cards, and ACH transfers. Cash/ACH may qualify for a discount.