MK23 Sights / Optics / Optic Plates
Looking for a sight, night sight or optics for your HK Mark 23? HKParts stocks large selections of both that have been created for the HK Mark 23. Choose from parts and accessories such as front sights, night sights and rear sights. We have everything to best fit your needs. Make HKParts your choice today!
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On Sale
HKP HK Mark 23 RMR Optic Plate
HKP HK Parts
Now: $79.96Was: $99.95HKP HK Mark 23 RMR Optics Plate The finest Red dot mounting solution for your HK MK23. New optic plate that replaces your rear sight to allow a Red dot optic to mount on your Mark 23 slide. A quick and easy install that can be done in the matter of...Now: $79.96Was: $99.95 -
On Sale
HK Mark 23 Rear Sight Retaining Screw
H&K Heckler & Koch
Now: $17.95Was: $19.95HK Mark 23 Rear Sight Retaining ScrewNow: $17.95Was: $19.95 -
On Sale
HK Mark 23 Front Sight
H&K Heckler & Koch
Now: $49.46Was: $54.95HK Mark 23 Front Sight Rear Sight Heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+4) 7.1mm (+8) 7.5mm (+12) Please Note: The front sight is manufactured in a single standard size(6.3mm). The rear sights come in a variety of heights to allow for...Now: $49.46Was: $54.95 -
On Sale
HK Mark 23 6.3mm Standard Rear Sight
H&K Heckler & Koch
Now: $58.46Was: $64.95HK 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)Now: $58.46Was: $64.95 -
On Sale
HK Mark 23 6.7mm +2 Rear Sight
H&K Heckler & Koch
Now: $53.96Was: $59.95HK 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)Now: $53.96Was: $59.95 -
On Sale
HK Mark 23 7.1mm +4 Rear Sight
H&K Heckler & Koch
Now: $40.46Was: $44.95HK 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)Now: $40.46Was: $44.95 -
On Sale
HK Mark 23 Rear Sight - -2, 5.9mm
H&K Heckler & Koch
Now: $50.36Was: $55.95HK Mark 23 5.9mm -2 Rear Sight Other Rear Sight Heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+4) 7.1mm (+8) 7.5mm (+12)Now: $50.36Was: $55.95 -
HK Mark 23 7.5mm +6 Rear Sight
H&K Heckler & Koch
$64.95HK 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)$64.95 -
On Sale
HK Mark Rear Sight - -4, 23 5.5mm
H&K Heckler & Koch
Now: $41.36Was: $45.95HK Mark 23 5.5mm -4 Rear Sight Other Rear Sight Heights: 5.5mm (-4) 5.9mm (-2) 6.3mm (standard) 6.7mm (+2) 7.1mm (+4) 7.5mm (+6)Now: $41.36Was: $45.95