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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On Sale
Holosun 510 Series Open Reflex Sight - Picatinny Mount
Holosun
$318.95 - $354.95Holosun 510 Series Open Reflex Sight - Universal Picatinny Mount The HS510C is a versatile open reflex optic designed for long gun applications. HS510C is at home on carbines, PCCs, and shotguns due its durable design. HS510C features and aluminum...HKP-21656-M$318.95 - $354.95 -
On Sale
HK USP 9mm +10 Magazine Extension
HKP HK Parts
$55.95 - $62.95Magazine Extension - +10 - HK USP 9mm Easy to install. Simply add the mag extension to your existing mag body and follower. No gunsmithing needed. Made 100% in the USA out of aircraft-grade, hard-coat anodized aluminum with steel hardware. Ultra...HKP-21382-M$55.95 - $62.95 -
On Sale
Picatinny Optic Mount, Front Sight Tower - Red
Now: $33.95Was: $39.95HKP Picatinny Rail Mount for Front Sight Tower - Red HK Picatinny rail mount that replaces the forearm (small) push pin and mounts to the side of the front sight tower and allows you to add sling swivels, lasers, lights & accessories. This add on is...HKP-20800Now: $33.95Was: $39.95 -
On Sale
HK VP9L Compensator - Quick Detach
HKP HK Parts
Now: $99.95Was: $169.95HK VP9L - Quick Detach Comp Weight ™ EASY ON, EASY OFF - QUICK DETACH TECHNOLOGY The HK Parts VP9L, Comp Weight™/compensator is the world's first quick detach Comp Weight™, compensator. That slides effortlessly onto your pistol frame...HKP-19129Now: $99.95Was: $169.95 -
HK P30, P30S Compensator - Quick Detach
HKP HK Parts
$149.95HK P30, P30S - Quick Detach Comp Weight™ - 9mm & .40 Cal Easy on, easy off - Quick Detach Technology. In stock & shipping! The HK Parts P30, P30S 9mm & .40 Cal Comp Weight™ is the world's first quick detach Comp Weight™,...HKP-17929$149.95 -
HK MP5 Lower Receiver - Section
H&K Heckler & Koch
$54.95HK MP5 Rear Receiver Section HK German demilled receiver section with rear sight base as installed at the factory. The rear push pin section is still attached to the demilled receiver section.HKP-02147$54.95 -
On Sale
HK USP Compact Grip Wrap - Rubber - 9mm / .40 S&W
Talon Grip
Now: $17.95Was: $19.99TALON Grip - USP Compact 9mm/.40 - Rubber Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy. The pistol...HKP-20285Now: $17.95Was: $19.99 -
On Sale
HK USP Compact Grip Wrap - Granulate - .45 ACP
Talon Grip
Now: $17.95Was: $19.99TALON Grip - USP Compact .45 - Granulate Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy. The pistol...HKP-20278Now: $17.95Was: $19.99 -
On Sale
HK P30 Grip Wrap for Medium Backstraps - Granulate
Talon Grip
Now: $16.95Was: $19.99TALON Grip - H&K P30 - Granulate Black - Medium Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and...HKP-20253Now: $16.95Was: $19.99 -
HK MP5, HK94, SP5 Magazine Spring - 10 Round
H&K Heckler & Koch
$6.9510 Round Magazine Spring - HK MP5, 94, SP5 A must-have repair and replacement part great for spares. Compatible With: All factory spec steel 10 round MP5, 94 style curved magazinesHKP-19454$6.95 -
HK VP9, VP9SK, VP40 Trigger Housing, Complete - 9mm, .40 S&W
H&K Heckler & Koch
$89.95Heckler and Koch 9mm and .40 S&W Complete Trigger Housing for HK VP9, HK VP9SK and HK VP40 Enhance the performance of your HK VP9, HK VP9SK, or HK VP40 with this complete trigger housing. Designed for both 9mm and .40 S&W calibers, this...HKP-16797$89.95 -
HK VP9, VP9SK, VP40 Complete Trigger
H&K Heckler & Koch
$69.95H&K HK VP9/VP9SK, HK VP40 Complete Trigger New HK German manufacture. Compatible With: HK VP9, VP9 Tactical HK VP9SK HK VP40, VP 40 TacticalHKP-16771$69.95