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

Converts the Springfield Hellcat/RDP/PRO with RMSC Slide Cut to Holosun 407K/507K

a Trijicon SRO® mounting kit (AC32085) is required

It means more light on-target

Buffer retaining pin

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,