---
product_id: 30301957
title: "FBS Front polymer Back-up sight by Fab Defense (Green)"
brand: "fbs"
price: "€ 56.81"
currency: EUR
in_stock: false
category: "Misc."
url: https://www.desertcart.nl/products/30301957-fbs-front-polymer-back-up-sight-by-fab-defense-green
store_origin: NL
region: Netherlands
---

# FBS Front polymer Back-up sight by Fab Defense (Green)

**Brand:** fbs
**Price:** € 56.81
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** FBS Front polymer Back-up sight by Fab Defense (Green) by fbs
- **How much does it cost?** € 56.81 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/30301957-fbs-front-polymer-back-up-sight-by-fab-defense-green)

## Best For

- fbs enthusiasts

## Why This Product

- Trusted fbs brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

The RBS Rear polymer Back-up sight is a cutting edge, low-profile, tactical back-up sight.

The dual aperture RBS rear sight is windage adjustable and can be mounted on all 1913 picatinny rails, but is specialty made for the M4 / AR-15 / M-16 platform and the K.P.O.S.

Advantages:
Very low profile & slim design
Can be used as primary or back-up sight
State-of-The-art ergonomic & ambidextrous design
All manual configuration, no tools needed for windage adjustments
Durable high grade polymer & metal construction
Spring based locking mechanism - will not break or deform

## Features

- Made and shipped from Israel, takes up to 7 business days to arrive
- Very low profile &amp; slim design
- Can be used as primary or back-up sight
- State-of-The-art ergonomic &amp; ambidextrous design
- All manual configuration, no tools needed for windage adjustments

## Images

![FBS Front polymer Back-up sight by Fab Defense (Green) - Image 1](https://images-na.ssl-images-amazon.com/images/I/41SfURzyi3L.jpg)
![FBS Front polymer Back-up sight by Fab Defense (Green) - Image 2](https://images-na.ssl-images-amazon.com/images/I/41hng88GJGL.jpg)
![FBS Front polymer Back-up sight by Fab Defense (Green) - Image 3](https://images-na.ssl-images-amazon.com/images/I/41xko2oiBcL.jpg)

---

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**Shop now:** [https://www.desertcart.nl/products/30301957-fbs-front-polymer-back-up-sight-by-fab-defense-green](https://www.desertcart.nl/products/30301957-fbs-front-polymer-back-up-sight-by-fab-defense-green)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-06*