Magpul Mbus Back-up Rear Sight, BLK
Order# MK447
Product Overview
The MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. The dual aperture MBUS Rear Sight is adjustable for windage and fits all mil-spec 1913 Picatinny rail equipped weapons,but is specifically tailored to the AR15/M16/M4 platform. Made in U.S.A.