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Magpul  |  SKU: OTM5997

Magpul MBUS Rear Sight - Black 0.1 lb

Regular price $59.99 USD
Shipping calculated at checkout.

Lightweight folding rear sight with reinforced polymer construction, windage adjustment, and backup sight function.

⚠️ Sold for sporting and training applications. Customer is responsible for ensuring compliance with all applicable local laws and regulations. See Terms .

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🚚 Shipping & Delivery

Most in-stock items ship within 3 business days.

Special order items are typically processed within 14 business days (excluding weekends and holidays).

Custom items may require additional time depending on production schedules.

If you’d like to receive your order sooner, please select an expedited shipping option at checkout.

Some products ship directly from the manufacturer, and an equivalent carrier or service level will be chosen to match your selected shipping speed.

Shipping delays caused by carriers are outside our control, but we’ll always help track updates.

See our Shipping Policy for details.

🔄 Returns, Exchanges & Warranty

Returns are accepted within 14 days for items that are unused, unopened, and in original packaging with no damage.

A restocking fee applies, but it may be partially waived if store credit is selected instead of a refund to the original payment method.

Custom builds, sale items, and hazardous goods are final sale.

Warranty Coverage: Manufacturer warranties apply to all standard products. Any defects, malfunctions, or performance issues are handled directly by the manufacturer per their terms.

HR Tactical Innovations covers a Fitment & Functionality Guarantee on all custom or modified items — if a verified production error occurs, we’ll replace the item.

View our Refund Policy for full details.

🌍 International Shipping

We ship worldwide to Canada, Mexico, Europe, Asia, and Oceania, including:

🇨🇭 Switzerland • 🇨🇿 Czechia • 🇩🇪 Germany • 🇩🇰 Denmark • 🇪🇸 Spain • 🇫🇮 Finland • 🇫🇷 France • 🇬🇧 United Kingdom • 🇭🇰 Hong Kong SAR • 🇮🇪 Ireland • 🇮🇹 Italy • 🇯🇵 Japan • 🇰🇷 South Korea • 🇲🇾 Malaysia • 🇳🇱 Netherlands • 🇳🇴 Norway • 🇵🇱 Poland • 🇵🇹 Portugal • 🇸🇪 Sweden • 🇸🇬 Singapore • 🇦🇺 Australia • 🇳🇿 New Zealand • 🇦🇪 UAE and more.

Transit averages 2–4+ weeks depending on customs clearance. Delays caused by customs or local authorities are outside of our control. Faster transit times may be available through expedited shipping options, though this does not guarantee faster customs processing.

Import duties, VAT, taxes, and brokerage fees are not included in your order total and must be paid by the recipient.

Customers are responsible for ensuring that all items ordered comply with their country’s import laws and for obtaining any required permits or documentation prior to purchase. We do not provide guidance on country-specific import requirements.

If a package is rejected, unclaimed, or returned due to unpaid duties, missing documentation, import restrictions, or an incorrect address:

  • The order will be issued as store credit only
  • Original shipping costs are non-refundable
  • Any non-recoverable shipping or return fees may be deducted

If a shipment is lost, seized, or not returned, an insurance claim must be completed before any resolution is provided. If the claim is denied, no refund or credit will be issued.

Pressurized or restricted items will ship via ground services only where permitted.

For more information view our Shipping Policy and our Refund Policy.

Questions? Contact [email protected] before checkout.

🎖️ Military / GovX Discounts

⚙️ Product Details

The Magpul MBUS Rear Sight is a reliable and cost-effective backup sighting solution for your firearm. Whether you need a replacement for a rear sight assembly or a reference point for aiming, this rear sight is designed for rugged outdoor use and offers several key features:

Low-Cost, Color Injection Molded Design: The MBUS Rear Sight is designed to be a budget-friendly option while maintaining functionality. It is color injection-molded for durability.

Dual Aperture Design: The rear sight features a dual aperture design that allows you to choose between two apertures for different shooting scenarios. It is also adjustable for windage, allowing you to fine-tune your aim.

Compatibility: The sight is designed to fit most 1913 Picatinny rail-equipped weapons, with a specific focus on compatibility with the AR-15/M16 platform.

Spring-Loaded Flip-Up Mechanism: The rear sight uses a spring-assisted deployment solution, ensuring that it properly engages and aligns when needed for use. This design allows for quick and easy deployment.

Protective Wings: The rear sight is winged/hooded to protect the rear aperture and adjustment dials from rough use and environmental conditions, adding durability to the sight.

Construction: The sight system is constructed from a high-strength reinforced polymer blend, which not only improves impact resistance but also reduces glare for improved visibility.

The Magpul MBUS Rear Sight offers a reliable and affordable option for backup sights. Its dual aperture design, windage adjustability, and spring-loaded flip-up mechanism make it a practical choice for maintaining accuracy in various shooting scenarios. Whether you're a professional shooter or an enthusiast, this rear sight can provide a dependable aiming reference for your firearm.

Specifications

  • Model
    MBUS Rear Sight Black
  • Material
    Polymer
  • Color / Finish
    Black / Polymer
  • Included Components
    Rear Sight
  • Mounting Interface
    Picatinny / 1913

Reviews & Questions

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