Fab Defense Offset Folding Backup Sights Kit – Black (FX-FRBSOSB)

Description Offset Folding Backup Sights Kit. Advantages Designed as a back-up sighting solution for use in conjunction with magnification lenses during CQB scenarios. Sleek design with minimal protruding parts. No tools needed for a quick and easy elevation and wind adjustment. RBS – Rear Back-up sight can be manually adjusted for windage. FBS – Front Back-up sight can be manually adjusted for elevation. Available in both right and left side variations. Durable fiberglass reinforced polymer and metal construction. Compatibility 1913 MIL-STD Picatinny rail. Specifications Length 52 mm Width 32 mm Height 14 mm Length deployed 30 mm Height deployed 42 mm Weight 30 gr