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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Bore Boss Pull-Through Bore Cleaner - 5.56 / .223
Real Avid
$10.95Real Avid Bore Boss Pull-Through Bore Cleaner - 5.56mm/.223 From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The single-piece...HKP-19402$10.95 -
On Sale
HK416, COLT M4 Magazine Spring - .22LR - 20 Round
HKP HK Parts
Now: $1.95Was: $3.95HKP 20 Round HK416 .22LR and Colt M4 .22LR Magazine Spring A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. New production mag spring for your Umarex HK416 & Colt 20 round 22...HKP-14410Now: $1.95Was: $3.95 -
HK USPC .40 S&W Recoil Rod Assembly
H&K Heckler & Koch
$89.95Recoil Spring Guide Rod Assembly Complete For The HK USP Compact 40 Cal & .357 SIG New HK German factory part. This is a great spare or replacement item to have on hand. Compatible With: HK USP Compact 40 Cal HK USP Compact .357 SIGHKP-01479$89.95 -
HK USP, P30, HK45, P2000 Range Master Sight Tool
MGW
$249.95Range Master Universal Sight tool for - HK USP, HK45/C, P30 & P2000 Models The Range Master Compact Universal Sight Tool is designed to remove, install, and adjust front and rear dovetail sights on semi-automatic handguns. The benefit of...HKP-02084$249.95 -
HK416, MR556, HK417, MR762 Pistol Grip Screw
H&K Heckler & Koch
$9.95H&K HK MR556/MR762/416/417 Pistol Grip Screw This is the screw used to retail all battle grips/pistol grips on the HK and standard AR15 and M16 firearms. Compatible With: HK MR556 HK416 HK MR762 HK417HKP-02679$9.95 -
HK416, MR556, HK417, MR762 Bridge
H&K Heckler & Koch
$24.95Heckler and Koch HK416, HK MR556, HK417, and MR762 Bridge For Lowers Compatible With: HK416, MR556 HK417, MR762HKP-02676$24.95 -
HK SL8 to G36 Stock Block - Conversion - Pull Pin
HDPS
$389.95HDPS SL8 To G36 Stock Block This is the latest generation of a stock block with the pull pin, NOT the older style with the sling eyelets. The HDPS SL8 to G36 conversion stock block comes complete and includes a built-in buffer recoil rod, housing, steel...HKP-00807$389.95 -
$19.95 -
HK MP5 Trigger Pack - 9mm - SEF Style 0,1 - Safe, Semi
HKP HK Parts
$359.95HKP/H&K MP5/K 9mm SEF Semi-Auto Complete Trigger Pack We have one of the best HK gunsmiths in the country that can take hand-picked German HK F/A trigger packs and modify them to semi-auto. This is done with the best and most precise machinery and...HKP-00152$359.95 -
HK VP9SK Magwell - Low Profile
HKP HK Parts
$59.95HKP HK VP9SK Low Profile Magwell Low profile, every day carry magwell for the HK VP9SK pistol. For those that would like the enhancements and competitive advantage a mag well offers without the bulk of the larger competition magwell. Funnels mags...HKP-21456-M$59.95 -
HK MP5 Binary SL Selectors
HKP HK Parts
$69.95HKP HK MP5 Binary SL Selectors: Our selectors were made to work specifically with the Magpul SL housing in conjunction with the popular Franklin Armory Binary trigger pack. We aimed to keep the same aesthetics as our SEF style binary selector levers but...HKP-21438$69.95 -
HK MP5K Bolt Carrier - Semi Auto
RCM
$146.95RCM HK MP5K Semi Auto Carrier MP5K, SP89 semi-auto carrier machined completely from billet ordnance steel. RCM's US made MP5K carrier is made to the most updated and latest MP5K specs and more. Tungsten filled, heat treated, phosphate finish and...HKP-20982$146.95