Mbus 2 Iron Sight Flip-up Front & Rear Backup Sight Polymer Rail Aluminum Screw Lock-Tight Adjustable Low-Profile Folding Iron Sight Black

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Product Details
Customization: Available
Material: High-Strength Reinforced Polymer
Structure: Spring-Assisted Foldable Design
Diamond Member Since 2026

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  • Mbus 2 Iron Sight Flip-up Front & Rear Backup Sight Polymer Rail Aluminum Screw Lock-Tight Adjustable Low-Profile Folding Iron Sight Black
  • Mbus 2 Iron Sight Flip-up Front & Rear Backup Sight Polymer Rail Aluminum Screw Lock-Tight Adjustable Low-Profile Folding Iron Sight Black
  • Mbus 2 Iron Sight Flip-up Front & Rear Backup Sight Polymer Rail Aluminum Screw Lock-Tight Adjustable Low-Profile Folding Iron Sight Black
  • Mbus 2 Iron Sight Flip-up Front & Rear Backup Sight Polymer Rail Aluminum Screw Lock-Tight Adjustable Low-Profile Folding Iron Sight Black
  • Mbus 2 Iron Sight Flip-up Front & Rear Backup Sight Polymer Rail Aluminum Screw Lock-Tight Adjustable Low-Profile Folding Iron Sight Black
  • Mbus 2 Iron Sight Flip-up Front & Rear Backup Sight Polymer Rail Aluminum Screw Lock-Tight Adjustable Low-Profile Folding Iron Sight Black
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  • Overview
  • Product Overview
  • Features
  • Product Parameters
  • Installation Instructions
  • Adjustment Instructions
  • Maintenance Guidelines
  • Ideal Users
  • FAQ
Overview

Basic Info.

Model NO.
PT-MAG247-BLK/PT-MAG248-BLK
Type
Scope Mount & Accessories
Mount Standard
Mil-Std-1913 Picatinny Rail
Adjustment Method
Tool-Free Manual Micro Windage/Elevation Tuning
Front Sight Function
Elevation Adjustment
Rear Sight Function
Windage Adjustment / Dual Aperture Switching
Aperture Design
Wide Aperture / Narrow Aperture Dual Mode
Color
Black
Transport Package
Carton&Foam
Trademark
PETRAM
Origin
Made in China
Production Capacity
10000PCS / Month

Product Description

MBUS 2 Iron Sight Flip-Up Front & Rear Backup Sight Polymer Rail Aluminum Screw Lock-Tight Adjustable Low-Profile Folding Iron Sight
Mbus 2 Iron Sight Flip-up Front & Rear Backup Sight Polymer Rail Aluminum Screw Lock-Tight Adjustable Low-Profile Folding Iron Sight Black
Product Overview

The MBUS 2 is America's highly-popular flip-up secondary sight assembly built with lightweight polymer construction and a spring-assisted rapid-deploy mechanism.  Engineered for outstanding portability, rugged durability, and fast deployment alongside broad-range rail compatibility. Its compact folded profile lies flush against rail surfaces to save space,  ideal for outdoor recreational use, replica displays, film-prop fabrication,and pairing with  standard rail platforms.
 
Features
 
  • Attaches to M1913 Picatinny rails
  • Spring-loaded to ensure quick deployment and stowing
  • Tool-less windage adjustment for on-the-fly flexibility as your situation changes
  • Rapid-select, rotating aperture window allows a wide or narrow view for close-range shots or low light situations and longer distance shooting
  • Detents secure the sight, windage, aperture, and elevation settings during hard use
  • Streamlined shape minimizes snagging and protective wings ensure hard use won't damage the front sight post
  • Elevation tool included for sight adjustments of the spring-locking A2 front sight post
  • Impact resistant polymer construction provides light weight and resists operational abuse
  • Standard AR sight height when deployed
 
Product Parameters
 
Position Front Rear
Height above rail, stowed ~0.51 in. ~0.51in.
Length, deployed 1.5 in. 1.5 in.
Length, stowed 2.6 in. 2.6in.
Weight, w/ hardware 1.2 0z. 1.3 oz.
Other Specs ELEVATION ADJUSTMENT
~1.6 MOA(1.886"/100m) per click with a 14.5" sight radius
~1.2 MOA (1.367"/100m) per click with a 20" sight radius
Center of aperture to top of rail: 1.42 in.

WINDAGE ADJUSTMENT
~0.7 MOA(0.754"/100m) per click with a 14.5" sight radius
~0.5 MOA(0.547"/100m)per click with a 20" sight radius

Mbus 2 Iron Sight Flip-up Front & Rear Backup Sight Polymer Rail Aluminum Screw Lock-Tight Adjustable Low-Profile Folding Iron Sight BlackMbus 2 Iron Sight Flip-up Front & Rear Backup Sight Polymer Rail Aluminum Screw Lock-Tight Adjustable Low-Profile Folding Iron Sight Black
Installation Instructions
 
  • Align the sight base with the slots of your MIL-STD-1913 Picatinny rail
  • Slide to your desired position and tighten the mounting fasteners fully
  • Check the overall fit to ensure there is no noticeable wobble or play
  • Press the side release button to test deploy and fold functionality
Adjustment Instructions
  • Front sight features manual elevation micro-adjustment
  • Rear sight offers manual windage micro-adjustment
  • Dual-aperture design allows quick switching for different shooting environments:
    • Wide aperture: Optimized for fast close-range target acquisition
    • Narrow aperture: Ideal for precise long-range aiming
Maintenance Guidelines
  • Wipe surface dust with a dry cloth for routine cleaning
  • Avoid prolonged storage under direct sunlight or high-temperature conditions
  • Periodically inspect mounting hardware for looseness
  • Do not subject the folding mechanism to heavy impact or rough force
  • Internal spring assemblies should not be disassembled by untrained users
Ideal Users
  • Outdoor gear enthusiasts seeking lightweight Picatinny rail accessories
  • Hobbyists for model modification and film prop builds who value iconic styling and broad compatibility
  • Collectors & display enthusiasts who favor classic Magpul lineup products
  • Rail system users looking for compact, foldable backup sight assemblies
  • Users who prefer low-profile, lightweight loadout setups
FAQ

1. Q: Can you do OEM or ODM?
A: Yes, we offer OEM & ODM. We can customize Logo & Slogan, as well as package and manual of the products. We can also          make mold as per clients requests.

2. Q: How can you guarantee quality?
A: Always a pre-production sample before mass production;Always final Inspection before shipment.

3. Q: How long do i need to wait before my goods arrive?
A: It depends on the logistic type that you have selected, we offer UPS Express (1-2 business days), UPS Saver (2-3 business          days), UPS Korea (7-9 business days)  and a variety of Ocean logistic services (11-30 business days). Usually it takes 5-35                business days for our clients to receive their goods after the order process is completed.

4. Q: What should we do if there is some problems with the products we bought from you?
A: At PETRAM we always send out sample product or examination videos before we begin mass production or before we start            shipping. However, defects or errors may occur due to variety of reasons. Please contact us and point out exactly what the                  problem is and we will give our clients at least 2 options to choose from.

5. Q: Does package come with battery inside?
A: It depends on the battery type. Item that comes CR1632, CR2032, CR2450, CR123A or any other battery types that starts with      "CR" will comes with battery inside. Batteries like AA or AAA, we most likely will not have the battery included due to logistic              reasons. Except Walker's Ear Muff, those ear muffs comes with 2 AAA batteries. We will include batteries in Walker's Ear Muff.

6. Q: Do you provide samples?
A: Yes we offer samples with extra charge. We charge the price of the product and 10 USD for logistic fees, we will most likely send    you the item via UPS, FEDEX or DHL.

7. Q: What are your terms of payment?
A: We only accept T/T at the moment.

8. Q: How can I track my order?
A: If you choose Ocean logistic service, we will provide you with a FEDEX or UPS tracking number on the day the order leaves port    and tracking will update when order arrives at the designated port.If you choose Air logistic service, we will provide you with a              UPS tracking number on the day the order gets on the plane and tracking will update within 1 business day.

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