Meprolight Mepro FRBS – Self Illuminated Flip Polymer Black Back-up Rifle Sights 4 Dot Rear/Green Hyper Bright Front

Features:

• Low profile and lightweight design.
• Can be used as a primary or back-up sight.
• Manually adjustable no tools needed.
• Durable fiberglass reinforced polymer and metal construction.
• Spring-based locking mechanism – will not break or deform.
• Compatible with all MIL-STD 1913 Picatinny rails.
• 12 years warranty for Night Sight luminance.