VISM Pro Series Flip-Up Front Sight Picatinny Rifle Iron Back-Up Sight

NcSTAR VISM Pro Series ALL-METAL Adjustable Front Flip Up Sight

Tactical Folding Front & Rear Sight Set Flip Up Backup Sights 2 Aperture

Folding Back Up Iron Sight Tactical Picatinny Rail Flip Up Front Rear Sights Set

Metal For MC&US Low Profile Metal Sights Folding Iron Front & Rear Set Back

Metal Fiber Optic Low Profile Flip Up Iron Sights Military Grade Sight

Flip Up Mini Front and Rear Sight

Fiber Optic Iron Sights Flip Up Iron Sights Front and Rear Sight for Picatinny