HK MK23 Series
Shop from one of the largest selections of HK MK23 parts, including Mark 23 Barrels, Triggers, and Magazines. Customize your MK23 with Magazine Extensions, Optics & Plates, and Grips for unmatched performance.
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HK Pistol Trigger Return Spring Tool
USA
$16.95HK Trigger Return Spring Tool - Pliers It is no secret that the hardest spring to install in the HK series of handguns from the USP, USPC to the modern HK45, HK45C & P30 & VP9 series is the trigger return spring. In many cases, installing the...HKP-16031$16.95 -
H&K HK .45 ACP Pistols Barrel O-Ring - Green
H&K Heckler & Koch
$4.95HK .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...HKP-01984$4.95 -
RennSteig 8 Piece Punch Set For HK Firearms
RennSteig
$34.95Metric Parallel Pin Punch Set With Guide Sleeves - German Manufacture - 8 Piece This punch set is the exact same set used in the HK Armorer classes and approved by HK for use when installing & removing the roll pins from HK pistols & rifles...HKP-16737$34.95 -
H&K 12 Round HK Mark 23 .45 ACP Magazine - Black
H&K Heckler & Koch
$59.00HK German Mark 23 & SOCOM 12 Round .45 Cal Magazine New factory fresh German HK manufactured. The real deal steel-bodied factory fresh magazine with the upgraded maritime finish. Compatible With: HK Mark 23 SOCOM .45HKP-00295$59.00 -
Sale
HKP Armorers Bench Block Tool
HKP HK Parts
Now: $9.95Was: $14.95HK Parts Armorers Puck Punch Bench Block Tool For All HK Firearms The HK armorers' puck punch bench block tool is standard issue at all HK armorers' courses. The purpose of the tool is to aid in installing axle and roll pins in your firearm while...HKP-17133Now: $9.95Was: $14.95 -
HKP HK .45 Barrel O-Ring All Caliber Pistols - Red
HKP HK Parts
$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...HKP-19316$4.95 -
HKP, H&K 17 Round HK Mark 23 / USP .45 ACP Complete Magazine - Black
$119.95Magazine Extension Complete - 17 Round - HK Mark 23/USP .45 Mark 23 magazine extension +5 adds five additional rounds to the full-size HK Mark 23 12 round magazine. Each mag comes fully assembled and ready for use. HK Parts takes an existing German HK 12...HKP-19465$119.95 -
HKP HK USP45, Mark 23 +5 Magazine Extension
HKP HK Parts
$49.95Magazine 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 in the USA out of aircraft grade hard coat anodized aluminum...HKP-19493-M$49.95 -
HKP Armorer's Tool Kit
HKP HK Parts
$67.95HKP Armorer's Tool Kit Includes: HK Parts Armorers Puck Punch Bench Block Tool 8 Piece German Rennsteig punch set 20 Piece German Feeler gauge setHKP-18659$67.95 -
H&K HK Mark 23 Thread Protector
H&K Heckler & Koch
$24.95New 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...HKP-00293$24.95 -
AntiVenom-XPLC Lubricant and Cleaner
Strike Industries
$14.95AntiVenom-XPLC Lubricant and Cleaner Strike Industries introduces the industry's most extreme general purpose weapons lubrication, cleaning, and protection solution. Strike Industries AntiVenom-XPLC is the culmination of years of research and...HKP-18410$14.95 -
HKP HK Mark 23 Gen 2 Rail Mount Compensator - Black
HKP HK Parts
$329.95HKP HK Mark 23 Gen 2 Rail Mount Compensator - Black The HK Parts Mark 23 Compensator is the perfect addition to your firearm. This compensator also includes a picatinny rail so you can still use your lights/lasers. The MK23 compesnator can be used with...HKP-18745$329.95 -
HKP HK Mark 23 Picatinny Rail Adapter - Gen 2
HKP HK Parts
$99.95HK Mark 23 Picatinny Rail Adapter (SOCOM) - Gen 2 The original Mark 23 rail adapter mount provides for a seamless attachment point of any tactical light, laser setup that attaches by way of a Picatinny rail. These units have been tested in the harshest...HKP-01470$99.95 -
H&K HK USP/Mark 23 Recoil Assemblies Snap Ring
H&K Heckler & Koch
$7.95H&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...HKP-01258$7.95 -
H&K 12 Round HK Mark 23 Floor Plate - Black
H&K Heckler & Koch
$8.95HK 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 magsHKP-01196$8.95 -
Safariland Silicone Gun & Reel Cloth
Safariland
$3.95Safariland Silicone Gun & Reel Cloth Silicone gun cloth for all HK firearms to preserve and protect your firearms finish. Will also work for any firearm, magazine or part. A great way to protect your collectibles.HKP-17630$3.95 -
HKP Pistol Rug Case - Bundesadler - Black
HKP HK Parts
$19.95HKP Pistol Rug - Bundesadler - Black Keep your handgun safe with the HK Parts pistol rug featuring the iconic German Bundesadler crest. This heavy duty pistol case will accommodate one pistol and up to 5 magazines. Features: Measures 8x13" closed...HKP-21014$19.95 -
HKP HK USP45/Mark 23 +10 Magazine Extension
HKP HK Parts
$69.95Magazine Extension - +10 - HK USP .45 & Mark 23 This listing is for the magazine extension ONLY. This is not a complete magazine. The referenced magazine capacity is the total capacity once the...HKP-21371-M$69.95 -
H&K HK USP/Mark 23 .45 ACP Magazine Follower
H&K Heckler & Koch
$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...HKP-01586$9.95 -
HKP HK Mark 23, SOCOM Bench Mat
HKP HK Parts
$13.95HKP HK Mark 23, SOCOM Bench Mat This isn't your ordinary gun cleaning mat! Show your pride for your HK Mark 23 firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat to protect your gun bench, desk, kitchen table,...HKP-17278$13.95 -
AIM (.45 ACP) Laser Bore Sighter
AIM
$19.95AIM (.45 ACP) Laser Bore Sighter Red Laser Bore Sight-.45 Laser bore sight system. Each unit comes complete with batteries (4)and instructions for operation. Easy to use and priced so that every shooter can have one for each caliber of firearm that they...HKP-16217$19.95 -
Out Of Stock
Promag 20 Round HK USP/Mark 23 .45 ACP Magazine - Black
Promag
$49.95Made in the USA by Promag. Fits all USP .45 Full Size Pistols including the USP .45 Full Size, USP 45 Tactical, USP 45 Elite & Expert. These will also fit the Mark 23 pistol if you slide off the grip extension or modify the grip extension for fitment...HKP-00861$49.95 -
HKP H&K 17 Round HK USP45, Mark 23 .45 Complete Magazine - Red
$119.95Mark 23/USP .45 - 17 Round Magazine Complete - Red HK Parts takes an existing 12 round mag the +5 mag extension and assembles them into a working 17 round mag. This offering is a valuable option for those that need a backup ultra capacity magazine...HKP-19495$119.95 -
HKP 17 Round HK USP 45/Mark 23 Magazine .45 ACP 17 Round - Cerakote Red
HKP HK Parts
$124.99HKP 17 Round HK USP 45/Mark 23 Magazine .45 ACP 17 Round - Cerakote Red Our new extended magazine is compatible with USP .45 and the mark 23 and now with a tactical red Cerakote finish. This is a must have extended magazine only available here at HK...HKP-20608$124.99 -
HKP HK Mark 23 Picatinny Adapter
HKP HK Parts
$99.95HK Mark 23 Picatinny Rail Adapter Our new Mark 23 Picatinny rail adapter mount provides attachment points for any tactical light or laser setup that attaches by way of a Picatinny rail. Made from aircraft-grade aluminum, hard-coated...HKP-21180$99.95 -
H&K 10 Round HK USP/Mark 23 .45 ACP, P30 .40 S&W Magazine Spring
H&K Heckler & Koch
$8.9510 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...HKP-01675$8.95 -
H&K/HKP 22 Round HK USP45/Mark 23 .45 Complete Magazine
H&K / HK Parts
$149.95Mark 23/USP .45 - 22 Round Magazine Complete HK Parts takes an existing 12 round mag the +10 mag extension and assembles them into a working 22 round magazine. This offering is a valuable option for those that need a backup ultra capacity magazine...HKP-21372-M$149.95 -
H&K 10 Round HK Mark 23/SOCOM .45 ACP Magazine - Black
H&K Heckler & Koch
$59.00HK Mark23 SOCOM 10 Round Magazine Fits all HK Mark 23 and or Socom pistols.HKP-01226$59.00 -
Safariland Break Free CLP
Safariland
$4.95Break Free Cleaner, Lubricant and Preservative 1/2 OZ. Features: Penetrates and spreads along metal surfaces into every, crack, pit and crevice to undercut contamination and lift. carbon, fouling and residue away. Long-lasting lubricating film...HKP-15435$4.95 -
H&K Flash Hider Retaining Ring
H&K Heckler & Koch
$1.49HK Flash Hider Retaining Ring Brand new HK German manufacture. HK flash hider, muzzle break retaining ring for use on splendid barrels. The retaining, locking ring for all HK flash hiders and comps. This item is the ring that fits inside the flash...HKP-16451$1.49 -
HKP HK Mark 23 RMR Optic Plate
HKP HK Parts
$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...HKP-21415$99.95 -
HKP Pistol Rug Case - Bundesadler - OD Green
HKP HK Parts
$19.95HKP Pistol Rug - Bundesadler - OD Green Keep your handgun safe with the HK Parts pistol rug featuring the iconic German Bundesadler crest. This heavy duty pistol case will accommodate one pistol and up to 5 magazines. Features: Measures 8x13"...HKP-21015$19.95 -
H&K Tactical Pistol Case - OD Green
H&K Heckler & Koch
$129.95H&K Tactical Pistol Case - OD Green Keep your handgun safe and secure with the HK Tactical Nylon Case. This heavy duty case will accommodate two pistols, accessories and two magazines. Includes movable, velcro-backed modular double magazine pouch,...HKP-17154$129.95 -
BlackHawk Tactical/Socom Pistol Case
BlackHawk
$89.95BlackHawk Tactical/Socom Pistol Case - Black Soft and discreet gun case 10"X 13"X 2.5" with fully modular pouches and YKK zippers. It is built well for a lifetime of use. Compatible With: HK45 HK45 HK USP Mark 23 VP9 Pistols or other HK or other various...HKP-12933$89.95 -
$8.95 -
H&K HK USP/Mark 23 .45 ACP Magazine Locking Plate
H&K Heckler & Koch
$8.95HK 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 RoundHKP-01588$8.95 -
H&K HK .45 ACP Pistol Field Cleaning Kit
H&K Heckler & Koch
$69.95H&K HK .45 ACP Pistol Field Cleaning Kit This is a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Compatible With: HK45, HK45 Tactical HK45C, HK45C Tactical USP 45, USP 45 Tactical USPC 45, USPC...HKP-01245$69.95 -
HK .45 ACP Barrel Bore Cleaning Brush
USA
$1.95HK .45 ACP Barrel Bore Cleaning Brush This brush is a must-have item to clean the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common thread). We offer a large variety of long-lasting...HKP-02757$1.95 -
Mil-Tec .45 ACP Pistol Bore Snake
Mil-Tec
$6.95Mil-Tec .45 ACP Pistol Bore Snake Features: Bore python is hand or machine washable Cleaning bronze brush Easy operating Portable Compatible With: All Cal 45, 11, 43-44 caliber pistols Instructions for Use: -Place end with brass fitting down...HKP-19764$6.95 -
HKP Pistol Rug Case - Bundesadler - FDE
HKP HK Parts
$19.95HKP Pistol Rug - Bundesadler - FDE Keep your handgun safe with the HK Parts pistol rug featuring the iconic German Bundesadler crest. This heavy duty pistol case will accommodate one pistol and up to 5 magazines. Features: Measures 8x13" closed...HKP-21016$19.95