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 VP9, VP9SK, VP40 Firing Pin Spring
H&K Heckler & Koch
$9.95H&K HK VP9/VP9SK, VP40 Main Spring For Firing Pin German HK. Compatible With: VP9 VP9 TacticaHKP-16829$9.95 -
HK VP9, VP9SK, VP40 Trigger Bar Spring - Complete
H&K Heckler & Koch
$54.95H&K HK VP9/VP9SK, HK VP40 Complete Trigger Bar Form Spring Compatible With: HK VP9 HK VP9A1 FHKP-16781$54.95 -
HK MP5K 9mm SEF Navy Style Trigger Housing - Push Pin
H&K Heckler & Koch
$159.95H&K MP5K 9mm SEF Navy Style Trigger Housing - Push Pin HK German factory SEF grip frame that has been cut to MP5K factory German specs. This style of housing is for push-pin firearms that do not...HKP-02463$159.95 -
HK Trigger Spring - Burst Trigger Packs
H&K Heckler & Koch
$8.95Burst Pack Trigger Spring - HK German New HK German trigger return spring used on all HK 90 series burst trigger packs. MP5, HK53, G3 burst, 2 or 3 round burst trigger packs.HKP-01450$8.95 -
HK VP9, P30 Magazine - 30 Round - 9mm
HKP HK Parts
$119.9930 Round Magazine Complete - 9mm - HK PARTS - HK VP9, HK P30 Drop-in magazine ready to go! HK Parts takes an existing 15 round magazine and a +15 magazine extension to assemble them intoHKP-21304$119.99 -
Out Of Stock
HK G36 Lower, Complete - FBI 0,1
GSG9
$399.95HK GSG9 FBI (0,1) Lower for HKG36, HK G36K, and HK G36C New HK US FBI (0,1) G36 lower complete with internals. This is also a popular item for use on the SL8 to G36 conversions.HKP-20181$399.95 -
HK MP5K QD End Cap with Buffer
HKP HK Parts
$44.95Quick Detach MP5K, SP-89 Steel End Cap With Replaceable Rubber Buffer Compatible With: MP5K SP89 Clone or other custom buildsHKP-20117$44.95 -
HK45, HK45T Magazine - .45 ACP - 13 Round - Red
HKP HK Parts
$89.9513 Round HK 45/45 Tactical .45 ACP Magazine - Red HK45 & HK45 Tactical +3 magazine extension coupled with a new HK German 10 round HK45 magazine. Each unit is then fully assembled as a 13 round HK45,...HKP-18386$89.95 -
Maglula Gen 2 AR-15 5.56/.223 Mag Loader/Unloader
Maglula
$26.95Maglula Magazine Loader/Unloader - Generation 2, Lula, 223 Rem/556NATO, Fits AR-15 - Black The Maglula LULA magazine loader & unloader AR-15 for 223 Remington / 5.56mm NATO is a mil-spec tool that...HKP-14545$26.95 -
Out Of Stock
HK91, G3 Clubfoot Stock
HKP HK Parts
$299.95HK Clubfoot Stock HK clubfoot stock comes fully assembled with both US and German H&K parts. This stock assembly counts as one US-made part toward your 922r compliance. Compatible With:HKP-01920$299.95 -
On Sale
HK MP5K, SP89, SP5K Modular Handguard - M-LOK - 9mm
DTAC Dakota Tactical
$143.96 - $159.95DTAC Dakota Tactical 9mm Modular M-LOK Handguard for HK MP5K, SP89, SP5K DTAC Dakota Tactical modular M-LOK handguard for HK MP5K pattern firearms. Made in the USA from T6 aluminum, this lightweight...HKP-17808-M$143.96 - $159.95 -
HK MP5A4, MP54A5, MP5SD Operators Red Book
H&K Heckler & Koch
$18.95New HK German MP5A4, MP5A5, & MP5SD Operators Red BookHKP-02227$18.95