Magpul MBUS Magpul Back Up Rear Sight Gen2 - A color injection molded folding backup sight is essential when using optics. If your optics fail, make sure you have a second option. The MBUS attaches to 1913 style Picatinny rails. Made in USA. Impact...
Magpul MBUS Magpul Back Up Rear Sight Gen2 - A color injection molded folding backup sight is essential when using optics. If your optics fail, make sure you have a second option. The MBUS attaches to 1913 style Picatinny rails. Made in USA. Impact...