Parts
At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.
Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.
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HK VP9SK, VP40SK Backstrap - Large - Gray
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Backstrap - Large - Gray New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18972$29.95 -
HK VP9SK Holster - The Defender IWB, OWB- LH
L.A.G. Tactical
$59.95L.A.G. Tactical HK VP9SK The Defender IWB/OWB LH Holster The Defender is known for being lightweight and comfortable. The easily interchangeable belt loops take you seamlessly from your outside the waistband range set up, to your highly concealable...HKP-18717$59.95 -
HK VP40 International Holster - RH
Comp-Tac
$74.95Comp-Tac HK VP40 International RH Holster The International is an outside the waistband holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holsters is perfect for competition shooting,...HKP-17470$74.95 -
HK P30SK Grip Wrap for Medium Backstraps - Rubber
Talon Grip
$19.99TALON Rubber Grip for HK P30SK Medium Backstrap Adhesive grip overlay designed for the HK P30SK pistol configured with the medium backstrap. This rubber-textured grip provides enhanced control and handling without adding significant bulk. The ultra-thin...HKP-20237$19.99 -
Out Of Stock
HK MP5 Brace System - Modular - .22LR - Havoc
F5 MFG
$349.95F5 MFG HK MP5 .22LR Modular Brace System Havoc MBS (Modular Brace System) for the MP5 .22LR. To convert your brace into a stock, simply swap out the brace attachment interface with F5's MSS stock interface in a matter of seconds (NFA rules apply)...HKP-20195$349.95 -
HK VP40 MatchWeight w/ Picatinny Rail
MatchWeight
$194.99Match Weight HK VP40 w/ Picatinny Rail Take your VP40 to the next level with our Aluminum Compensator offered in (2) styles, with and without picatinny rail. Each Match Weight Compensator is CNC machined in our factory outside...HKP-19902$194.99 -
On Sale
HK VP40 MatchWeight w/o Picatinny Rail
MatchWeight
Now: $69.95Was: $194.99Match Weight HK VP40 w/o Picatinny Rail Take your VP40 to the next level with our Aluminum Compensator offered in (2) styles, with and without picatinny rail. Each Match Weight Compensator is CNC machined in our factory outside...HKP-19901Now: $69.95Was: $194.99 -
HK MP5, HK93, HK94 M4 Retractable Stock
Choate
$246.99Choate M4 Telescopic Stock for MP5, HK93, and HK94 The M4 telescopic stock for the Heckler and Koch HK93, HK94 and MP5 replaces the existing stock and gives the shooter the ability to change the length of pull. The housing is all aluminum and...HKP-19895$246.99 -
On Sale
G36 Handguard HK German Original Style - Gray - Incomplete - Used
Now: $24.95Was: $49.95G36 Handguard HK German Original Style - Gray - Incomplete - UsedHKP-19773Now: $24.95Was: $49.95 -
HK USP Rear Night Sight - Tru-Dot Tritium
Meprolight
$59.95Meprolight HK USP Tru-Dot Tritium Rear Night Sight Tritium rear night sight for USP pistols. Self-illuminated and maintenance-free, it provides consistent visibility in low-light conditions without the need for batteries. The U-shaped rear with dual...HKP-19735$59.95 -
HK MP5 Binary Trigger Group - SEF Navy - BFSIII - 10mm and .40 S&W
FA Franklin Armory
$879.95Franklin Armory HK MP5 .40/10 BFSIII HK-C1 Franklin Binary SEF Navy Style Trigger Group 3 Position HK binary trigger group for the MP5 .40 and 10mm firearms. The BFSIII is ideal for tactical and competition use. The BFSIII provides greatly reduced...HKP-19663$879.95 -
On Sale
HK VP9, VP9SK Holster - Liberator MKII IWB, OWB - Ambi
L.A.G. Tactical
Now: $38.95Was: $59.95L.A.G. Tactical HK VP9, VP9SK Liberator MKII IWB and OWB Ambidextrous Holster Precision-formed holster designed for HK VP9 and VP9SK pistols. The Liberator MKII is pressure-formed and CNC cut for consistent fit and retention. This ambidextrous...HKP-19386Now: $38.95Was: $59.95