New 20MM Rail Flip Backup Sights Tactical Folding Front Rear Flip Backup Sights BUIS Set 2 pcs New, Black

20MM Rail Gen1 2Pcs Tactical Folding Front/Rear Flip Backup Sights BUIS Set Description: These are incredibly reliable sights and easy to install and operate. They fit on all 20mm rail and lock easily into place. And yes they are sight able. This products are designed for Airsoft, but can be used on rifles. Professional and Simulation Training purposes. Material: Resin Color: Black Single size: 6.5 x 3.5 x 2.1cm Package Included: 2 x Flip-up Sight (Front & Rear)