Out of StockSave 16%
Type
gear
Last Seen
May 20, 2026
Fab Defense Font Back-Up Sight Folding AR-15 M4 M16
Sold byGrabAGun•Posted Apr 27, 2026
Compare prices for FAB Defense Deployable Front Sight AR-15 Black$33.69
$39.99
You save $6.30 (16% off)
Price and stock data refresh continuously from GrabAGun.
Deal Summary
- Currently marked out of stock.
- Category: gear
- UPC: 7290105942005
- SKU: GAG_GSS-fx-fbs-349307
- Brand: Fab Defense
Price History
Deal Details
Fab Defense Font Back-Up Sight Features FBS is an advanced low-profile durable auxiliary front sight. It can be used with any rear sight but has been designed to provide an extreme optical advantage. Its sight pin elevation is easily and quickly adjusted without tools. The FBS is readily mounted on any 1913 Picatinny rail making it ideal for use on M4/AR-15/M-16 platforms. The sight can be used as a primary or back-up sight and the ergonomic angel-wing-shaped front shroud helps center the
Other Offers for This Product
Active offers from your catalog for FAB Defense Deployable Front Sight AR-15 Black.
Comparing 6 retailers carrying this product
Lowest Price: $25.35
Highest Price: $40.99
You Save: $15.64
Avg Discount: 17% off
FAB Defense FX-FBS Front Back-Up Sight AR-15/M4/M16 Black Folding
Fab DefenseBattleHawk ArmorySKU/UPC: 7290105942005
$25.35$43.00Save 41%
View at BattleHawk Armory
FAB Defense Deployable Front Sight AR-15 Black
Fab DefenseMidwayUSASKU/UPC: 909575
$27.38$36.80Save 26%
View at MidwayUSA
FAB Defense AR-15 Flip Up Front Sight Black
Fab DefenseAmmunition DepotSKU/UPC: FXFBS
$31.49
View at Ammunition DepotFab Defense Font Back-Up Sight Folding AR-15 M4 M16
Fab DefenseGrabAGunSKU/UPC: GAG_GSS-fx-fbs-349307
$33.69$39.99Save 16%
View at GrabAGun
FAB Defense Top Mounted Deployable Front Sight Black
Fab DefenseOptics PlanetSKU/UPC: 1S0-IRN-FPFU-FX-FBS
$36.80$39.95Save 8%
View at Optics Planet
FAB Defense Folding Front Site, Black - FX-FBS
Fab DefensePalmetto State ArmorySKU/UPC: 165451182
$40.99$45.99Save 11%
View at Palmetto State Armory