Magpul MBUS Back-Up Sight (Back, Gray) Originating-Armory_DAN WESSON Design for Upgrade the Original

Design for Upgrade the Original Blowback Housing

02mm Precision Barrel for Tokyo Marui M16A1 / A2 / VN / AUG (509mm)

lightweight and highly durable one-piece design

Ultimate PX-02 Lipo:

Prometheus Sealing Nozzle & Aero Cylinder Head for KRYTAC M4 Series

Magpul MBUS Back-Up Sight (Back, Gray) Originating-Armory_DAN WESSON Design for Upgrade the OriginalThe 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 most 1913 Picatinny rail equipped weapons, but is specifically tailored to the AR15 M16 platform. Magpul MBUS Back Up Sight (Back, Gray) Impact resistant polymer construction provides light weight and resists operational abuse Spring loaded flip up sight easily activated from either side or