C&H Precision Back Up Iron Sights for RMR/Holosun on Glock/Walther PDP-Optics Ready/Direct Milled Slides

C&H Precision Back Up Iron Sights (BUIS) were specifically designed to be used with the OEM optic ready slides and direct milled slides. Fits pistol models: Glock 17/17L/18/19/20/21/23/24/26/27/29/30/31/32/33/34/35/38/39/40/45/47 or Walther PDP. Fits optic cuts: All standard Glock MOS, Glock Slides with direct mill optics cut at .125'' deep & Walther PDP. Fits red dot Trijicon RMR, Holosun 407C/507C/508T/509T. Compatible with the C&H Precision optics plate.