MK23 Small Parts
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On Sale
HK Pistol O-Ring - .45 ACP Barrel - Green
H&K Heckler & Koch
Now: $4.46Was: $4.95O-Ring for .45 caliber barrels HK introduced O-rings with the HK Mark 23 and HK USP 45 Tactical pistols. Features: Original green color no longer in production Same high-temperature rubber as the newer black O-rings Factory part that provides the seal...Now: $4.46Was: $4.95 -
On Sale
HK45, USP, Mark 23 Barrel O-Ring - .45 ACP - Red
HKP HK Parts
Now: $3.96Was: $4.95HKP HK .45 Barrel O-Ring All Caliber Pistols - Red 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...Now: $3.96Was: $4.95 -
On Sale
HK .45 ACP O-Ring - Barrel
H&K Heckler & Koch
Now: $4.46Was: $4.95Heckler and Koch .45 ACP Caliber Barrel O-Ring in Black A great spare and a much-needed part for your HK barrel. This factory part is a high-wear item, as the O-ring provides the seal between the slide and the barrel, which provides a secure lockup with...Now: $4.46Was: $4.95 -
On Sale
HK USP, Mark 23 .45 ACP Magazine Follower
H&K Heckler & Koch
Now: $8.96Was: $9.95USP .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...Now: $8.96Was: $9.95 -
On Sale
HK USP, Mark 23 Recoil Assemblies Snap Ring
H&K Heckler & Koch
Now: $5.36Was: $5.95H&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...Now: $5.36Was: $5.95 -
On Sale
HK Mark 23 Retaining Pin - Firing Pin
H&K Heckler & Koch
Now: $8.05Was: $8.95HK Mark 23 Firing Pin Retaining Pin Replacement pin for the Mark 23 firing pin block. A must have part to have on hand.Now: $8.05Was: $8.95 -
On Sale
HK Mark 23 Ejector Roll Pin
H&K Heckler & Koch
Now: $6.25Was: $6.95HK 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.Now: $6.25Was: $6.95 -
Out Of StockOn Sale
HK Mark 23, SOCOM Firing Pin - Titanium
HKP HK Parts
Now: $39.96Was: $49.95Ultimate Firing Pin Mark 23, Socom - Titanium - Grade 6 A 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...Now: $39.96Was: $49.95 -
On Sale
HK Mark 23 Extractor Spring
H&K Heckler & Koch
Now: $8.96Was: $9.95Extractor 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...Now: $8.96Was: $9.95 -
On Sale
HK Mark 23 Replacement Screw for Rail Mount Compensator
HKP HK Parts
Now: $7.56Was: $14.95HKP HK Mark 23 Compensator / Rail Replacement Screw Replacement Screw for the HK Parts Mark 23 Rail Mount Compensators. This includes (1) screw. Compatible with: HK Parts MK23 rail mount compensators Torque: Hand tightNow: $7.56Was: $14.95 -
On Sale
HK Mark 23, SOCOM Spring - Firing Pin
H&K Heckler & Koch
Now: $8.05Was: $8.95HK Mark 23 Firing Pin Spring Compatible With: HK Mark 23 SOCOMNow: $8.05Was: $8.95 -
On Sale
HK Mark 23 Extractor
H&K Heckler & Koch
Now: $71.95Was: $79.95HK 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 pistolsNow: $71.95Was: $79.95