FAB Defense FBS Front Backup Sight


  • Can be used as a primary or back-up sight
  • Ergonomic angel-wing shaped front shroud
  • Low folded profile
  • No tools needed

In stock

SKU: FX-FBS Categories: , UPC: 7290105942005


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 when paired with the FAB Defense(R) RBS Rear Back-up Sight. Sight pin elevation is easily and quickly adjusted without tools. FBS is readily mounted on any 1913 Picatinny rail” making it ideal for use on M4 / AR-15 / M-16 platforms and on the FAB Defense(R) KPOS.

Additional information

Weight .11 lbs
Dimensions 5 × 3.25 × 1.25 in


There are no reviews yet.

Be the first to review “FAB Defense FBS Front Backup Sight”
%d bloggers like this: