Heckler & Koch, from Oberndorf in Germany, built its pistol line in distinct generations: the squeeze cocked P7, the hammer fired USP and P8 with the large Mark 23, the P30 and HK45, and the striker fired VP9, sold in some markets as the SFP9, with the VP40. Parts rarely cross between these generations, so the model name on the slide is the place to start.
VP9 and SFP9
The VP9 and SFP9 get the widest choice. Optics ready versions take Toni System and 2BME plates for RMR, RMSc, 509T, Docter and other footprints, and the Holosun SCS VP9 / SFP9 sits in the cut with no plate. LPA makes adjustable sights for the OR slides. On the grip side there are an adhesive grip, an aluminium magwell, a base pad and aluminium or brass frame mounts, all by Toni System. Plates are in Optics ready plates for HK.
A red dot on a slide without a cut
One shared mount design covers the cut-free slides of the VP9, SFP9, VP40, P30 and HK45, pressed into the rear sight slot, with type A, B and C versions for different footprints. The USP and USP Tactical have their own mounts, the USP Compact another, and the Mark 23 a type L mount that accepts five footprints. Browse Red dot mounts for HK.
Sights for USP, P7 and others
For the USP, LPA offers adjustable sights with four sight pictures, plus low and co-witness sets; the P7 gets adjustable sights too. Angry Bear and Night Fision add tritium sets. Choose in Sights for HK.
Mark 23
The big .45 ACP Mark 23 has a small but complete set: a polymer magwell, a +5 round base pad, an aluminium compensator and the type L red dot mount. The weight and grip parts are in Magwells for HK, Base pads for HK, Frame mounts for HK, Grips for HK and Compensators for HK.
Frequently asked questions
Is a VP9 part the same as an SFP9 part?
For the parts on this page, yes: they are listed for both names, because the SFP9 is the VP9 sold under another name in some markets.
Will a USP mount fit my P30?
No. The P30 shares its mount with the VP9, SFP9, VP40 and HK45. The USP has its own.
Does the Mark 23 compensator need a threaded barrel?
Yes. It threads onto the barrel; the product page lists the exact fit.