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Customer Reviews
Helpful Positive Review Amazing sights for the $ by ElJT, Verified Owner, March 29, 2024
Amazing back up sight for the $. Work just a good as the more expensive ones.
1/2 found this helpful
Helpful Positive Review Gun Lover 1 by James Leonard, Verified Owner, October 5, 2024
You absolutely can’t beat the price of these for the quality. Way to go Optics Planet!
1/1 found this helpful
Helpful Positive Review fab defense by Rick, Verified Owner, March 19, 2025
This is a great sight at a great price thank you OP
1/2 found this helpful
Helpful Positive Review Looking good by Chief O, Verified Owner, April 13, 2025
The Fab Defense OPMOD rear sight really does the job. Stays put when up or down. The winged design sits perfect with a Fab Defense front sight. The angel wings create an aiming tunnel that works well for target acquisition. Very satisfied.
1/1 found this helpful
Helpful Positive Review Probably the best flip up sights made at this price point. by Sarge, Verified Owner, December 24, 2023
There seems to be 3 levels of pricing and quality when looking for gun parts. Outright cheap junk, mid-priced and good quality and high priced names for show. Fab Defence is in the mid tier, with great quality and reasonable pricing. These flip up si...
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1/1 found this helpful
Helpful Negative Review Stripped Screws by Zach, Verified Owner, November 2, 2024
Honestly, I like these sights and I got mine really cheap. But I bought 2 and the screws stripped on both of them. These are gun parts so they're supposed to be tight, all I was using was an Allen wrench and they were hand tight and they stripped. ...
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2/2 found this helpful
Read All 9 Reviews
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Color: Grey Sight Position: Rear Gun Model: AR-15 , M4 , M16 Gun Make: AR Platform

Code: 99-IRN-BHGT-FX-RBS-OPMOD-Grey

MPN: FX-RBS-OPMOD Grey

UPC: 7290111587320

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List: $63.99Save 76%
$15.20
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Product Info for FAB Defense OPMOD Rear Polymer Flip-up Rear Sight

The FAB Defense OPMOD Rear Polymer Flip-up Rear Sight can be your current rifle's primary or backup sight. OPMOD designed these AR 15 Parts with ergonomic angel-wing-shaped shrouds that help center the image with any front sight so that you can accurately use these in conjunction with a front backup sight or other optics. With an instant spring-locked mechanism for deployment, the FAB Defense RBS will never slip, break, or deform, offering outstandingly reliable performance in the field. Equip the FAB Defense Rear Back-Up Sight on your weapon today for precise views down range every time.imageimage

The FAB Defense OPMOD Rear Polymer Flip-up Rear Sight is adjustable for windage and elevation. This means it can be easily fine-tuned to match your specific shooting requirements and adapt to various shooting distances. The windage and elevation adjustments are user-friendly, making it easy to achieve precise aiming. The sight's low-profile design allows it to sit close to the bore axis of the firearm, reducing the sight radius and improving target acquisition speed. This design is handy for quick and accurate target engagement in tactical or competition shooting scenarios.

The FAB Defense OPMOD Rear Polymer Flip-up Rear Sight is popular among firearm enthusiasts seeking a lightweight, durable, and versatile rear sight. Its ease of adjustment, low-profile design, and dual aperture system make it a practical and reliable addition to various firearms, whether for sport shooting, competition, or tactical applications. With a focus on affordability and robust construction, this rear sight is a compelling option for those looking to enhance their shooting experience.

Specifications for FAB Defense OPMOD Rear Polymer Flip-up Rear Sight:

Manufacturer: OPMOD
Color: Grey
Sight Position: Rear
Gun Model: M16, M4, AR-15
Gun Make: AR Platform
Fabric/Material: Polymer
Height: 14 mm
Length: 52 mm
Gun Type: Rifle

Features of FAB Defense OPMOD Rear Polymer Flip-up Rear Sight

  • Can be used as primary or back-up sight
  • Ergonomic angel-wing-shaped shroud helps center the image with any front sight, and when used with a matching FAB Defense FBS Front Back-up Sight, it creates a precise optical tunnel that ensures more accurate aiming and faster target acquisition
  • Dual apertures are 3mm for longer eye relief mounting, low light, and faster target acquisition; and 1.5mm for shorter eye relief mounting and greater accuracy; each is instantly selectable to match conditions
  • Low folded profile is smooth and inconspicuous, and will not snag on gear, webbing, or brush
  • Instant spring-locked deployment mechanism will not slip, break or deform
  • No tools needed for easy, rapid windage adjustments, with positive detent locking
  • Made of extremely durable high-grade polymer and metal

Package Contents:

  • FAB Defense OPMOD Rear Polymer Flip-up Rear Sight

FAB Defense OPMOD Rear Polymer Flip-up Rear Sight Orderable Models

List of Orderable Models

FAB Defense OPMOD Rear Polymer Flip-up Rear Sight, Grey, FX-RBS-OPMOD Grey , MPN: FX-RBS-OPMOD Grey , UPC: 7290111587320 , Code: 99-IRN-BHGT-FX-RBS-OPMOD-Grey
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