• Model 4/15 Match-Grade Detachable Rear Sight
• Dramatically improves sight pictures & enhances shooting accuracy
• Rugged aluminum/steel construction with matte finish
• Precise MOA windage & elevation adjustment in accordance with current military requirements
• Spring-loaded detent for positive & repeatable wind & elevation adjustments
• A-2 style dual apertures with larger aperture for CQB operations & smaller for high accuracy
• Exact height to co-witness with standard front sight & most electronic dot sights
• 1-pc. integral Picatinny mounting deck fits all flat tops
• Locking retention thumb nut
• Weight: Approximately .35 pounds
• Shipping Dimensions: Approximately 4 x 2.5 x 2 inches.