Magpul Industries, MBUS 3 Back-Up Front Sight, , Flip Up, Black Springfield or to RMSc cut slides

or to RMSc cut slides with the included adapter plate

The 512 is our most popular HWS in the lineup

Window - 24x17mm or 0

HOLOSUN 510 OPEN REFLEX GREEN MULTI RETICLE W/HM3X COMBO

Aircraft Grade 7075 Aluminum

Magpul Industries, MBUS 3 Back-Up Front Sight, , Flip Up, Black Springfield or to RMSc cut slidesThe 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 Front Sight is constructed of their impact resistant polymer,