Magpul Industries, MBUS 3 Back-Up Rear Sight, Rapid-Select Rear Aperture System, Ambidextrous Push-Button Deployment, Fits Picatinny Rails, Flat Dark EarthThe next evolution in Magpul's MBUS (Magpul Back Up Sight) line, the MBUS 3 incorporates the best features, strengths and value of their original MBUS and MBUS Pro Sights in a feature packed back up sight system. Significantly reduced in size from the MBUS, it sits at just 0. 44" high when folded and 1. 15" at its widest point. Its aesthetics are derived from the MBUS Pro, but the MBUS 3 Sight is constructed of our impact resistant polymer, making it

Compatible with ALL Taper Mount Direct Thread Adapters

XM177/CAR-15 COMPLETE LOWER:

These hide flash extremely well and do not ring or ping when fired

corrosion free service life

All Mil-Spec Parts

The MBUS 3 sits at standard AR-height when deployed

but the MBUS 3 Sight is constructed of our impact-resistant polymer

Length 29" – 32”

882" to 16

Length    31

Our Retro 80% is available with a partial fence or no fence

75" Taper Mount Muzzle Device