FAB Defense FRBS Offset Rifle Sights Kit Black

Offset Folding Backup Sights KitProduct Advantages:Designed as a back-up sighting solution for use in conjunction with magnification lenses during CQB scenariosSleek design with minimal protruding partsNo tools needed for a quick and easy elevation and wind adjustmentRBS - Rear Back-up sight can be manually adjusted for windageFBS - Front Back-up sight can be manually adjusted for elevationAvailable in both right and left side variationsDurable fiberglass reinforced polymer and metal constructionCompatibility:1913 MIL-STD Picatinny rail.Specifications:Length: 52 mmWidth: 32 mmHeight: 14 mmLength deployed: 30 mmHeight deployed: 42 mmWeight: 30 gr