H&K Heckler & Koch

HK Mark 23 Left Side Safety Lever  

HK Mark 23 Safety Detent Spring  

HK Mark 23 Safety Detent  

HK Mark 23 Roll Pin Right Safety Lever New HK German nickel plated 1.5 X 9mm roll pin to hold the right side of the selector lever to the axle of the left side control lever. Compatible With: HK...

HK Mark 23 Ejector Roll Pin The Mark 23 has been discontinued, and spare parts will become limited in time, so stock up now while we have these hard-to-find parts available.

HK Mark 23 Right Side Safety Lever

HK Mark 23 Retaining Pin  

HK Mark 23 Rear Sight Retaining Screw

HK Mark 23 Rear Sight 7.5 mm 6.7mm - +2mm Other Rear Sight Heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+2) 7.1mm (+4) 7.5mm (+6)

HK Mark 23 Rear Sight - 7.1mm 7.1mm - +4mm Each (+) raises the POI by 2", each (-) lowers it by 2". Other Rear Sight heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+2) 7.1mm (+4) 7.5mm (+6)

HK Mark 23 Rear Sight - 6.7 mm This sight comes 6.7mm height +2mm over the stock height. Other Rear Sight Heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+4) 7.1mm (+8) 7.5mm (+12)

HK Mark 23 Rear Sight - 6.3mm - Unmarked Other Rear Sight Heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+4) 7.1mm (+8) 7.5mm (+12)