HK MK23 Small Parts

HK .45 ACP Pistols Barrel O-Ring - Green Get them while you can, as they are no longer available in green. The green o-rings were used when HK introduced o-rings on the Mark 23 and USP 45 Tactical HK pistols. All HK o-rings are...

A rare find as we have found a small lot of HK red-colored HK .45 O-rings.  All HK o-rings are still made of the same material as the newer black o rings only in the HK red color.A great spare and a much-needed part for your HK barrel. This part is a...

Magazine Extension - +5 - HK USP45 & Mark 23 Super easy to install, simply add the mag extension to your existing mag body and follower. An easy 2 min swap. No gunsmithing needed. Made 100% in the USA out of aircraft grade hard coat anodized aluminum...

New factory HK Mark 23 SOCOM thread protector This is the only thread protector that HK offers that will fit the HK Mark 23 Pistol. This is a hard-to-find item and a must-have for all MK23 Owners. Compatible with: All H&K Mark 23/ SOCOM barrels...

H&K HK USP/Mark 23 Recoil Assemblies Snap Ring The snap ring secures the spring onto the recoil buffer spring assembly. This part can come loose and become lost or easily worn. Once you remove them, HK suggests replacing them with a new snap ring...

HK Mark 23 12 Round Magazine Floor Plate A great item to have on hand as the floor plates can become cracked and broken with use and time. Compatible with: Mark 23 12 round mags SOCOM Mark 23 12 round mags

USP .45 & Mark 23 SOCOM Magazine Follower A great spare to have on hand as this is a wear and replacement item.  Compatible with: HK USP 45 ACP 10 Round HK USP 45 ACP 12 Round HK USP .45 Tactical, Elite, Expert HK Mark 23 10 Round HK Mark 23 12...

10 Round HK USP/Mark 23 .45 ACP, P30 .40 S&W Magazine Spring  A must-have spare part, as magazine springs are prone to wear and tear. Compatible with: HK USP .45 10 round HK USP .45 Tactical 10 round HK Mark 23 10 round HK 9mm & 40 cal P30...

HK Mark 23 Retaining Pin  

HK Magazine Locking Plate For .45 Cal - 12 Round Magazines New HK German magazine locking plate. Compatible with: HK Mark 23 12 Round HK USP .45 12 Round

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.

Extractor Spring For HK Mark 23 Or SOCOM Pistol New HK German factory nickel-plated extractor spring. A great spare to have on hand and one of the highest wear and replacement parts on the Mark 23. Compatible with all models and years of the Mark 23...

HK Mark 23 Firing Pin Spring

HK Mark 23 10 Round Magazine Floor Plate Great item to have on hand as these are prone to breakage and wear. Compatible with: HK Mark 23 10-round mag

HK German Mark 23 Magazine Spring - 12 Round A must have repair and replacement spring for your HK Mark 23 Socom Mags. Compatible with: HK Mark 23 12 round magazines  

Ultimate Firing Pin Mark 23, Socom - Titanium - Grade 6A solid billet CNC offering at 40+% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock time & enhancing accuracy. Titanium...

HK Mark 23 Complete Rod Assembly w/ Recoil Spring This part is ideal to keep as a spare as this is a common repair and replacement item.

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 Mark 23 HK SOCOM .45

HK Mark 23 Decocking C-Clip (Lock Washer)

Replacement Screw for the HK Parts Mark 23 Rail Mount Compensators. This includes (1) screw. Compatibility: HK Parts MK23 Rail Mount Compensators

HK Mark 23 Hammer Spring

Mark 23 Recoil Assembly Compression SpringBrand new HK German recoil spring for the HK Mark 23 or SOCOM .45 Pistol.A high wear item that needs to be changed & replaced often as this is a consumable part.

HK German Mark 23 SOCVOM Extractor New HK German manufacture. This item is no longer being made and is a great spare part to have on hand. Compatible with: Mark 23 SOCOM pistols

HK Mark 23 Magazine Release Spring

HK Mark 23 Magazine Release  

HK Mark 23 Sear Spring

HK Mark 23 Slide Release Lever   Brand new HK German manufacture. Compatible with all HK Mark 23 and SOCOM Pistols. 

HK Mark 23 Trigger Bar Spring

HK Mark 23 Ejector

HK Mark 23 Hammer Factory new hammer for the Mark 23 or SOCOM pistol.

HK Mark 23 Hammer Strut Spring

HK Mark 23/SOCOM Hammer Strut

HK Mark 23 Decocker  

HK Mark 23 Decocking Spring  

HK Mark 23 Disconnector

HK Mark 23 Hammer Axle

HK Mark 23 Rear Sight Retaining Screw

HK Mark 23 Sear Axle

HK Mark 23 Sear Block

HK Mark 23 Slide Release Spring