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
HK MP5, HK94 Cocking Tube Support - Steel
HKP HK Parts
Now: $39.95Was: $49.95MP5 All Steel Cocking Tube Support 9mm - USA: Made entirely from ordnance grade stainless steel from the factory HK German print & specs. An HK German quality part at the best price. Each MP5 9mm cocking tube support will include the detent and...HKP-18040Now: $39.95Was: $49.95 -
HK VP9SK, P30SK Magazine - 9mm - 12 Round - Flat Floorplate
H&K Heckler & Koch
$58.95Heckler and Koch 12 Round Flush Floorplate 9mm Magazine for HK VP9SK, P30SK Factory 12-round 9mm magazine with a flush-fit floorplate designed for compact HK pistols. Provides proper fit and capacity while maintaining a low-profile grip, perfect for...HKP-20603-M$58.95 -
On Sale
HK MP5, MP5K Cocking Handle - Enhanced
HKP HK Parts
Now: $31.95Was: $39.95HKP HK MP5, MP5K Cocking Handle - Enhanced The HKP enhanced cocking handle is just like our MP5 extended cocking handle but was designed to also function with UTG monolithic M-LOK handguards. Available exclusively at HK Parts. Specifications: Made...HKP-22382Now: $31.95Was: $39.95 -
On Sale
HK VP9, VP9SK, VP40 Enhanced Slide Cap - Red
HKP HK Parts
Now: $23.95Was: $29.95Enhanced Slide Plate Cover VP9, VP9SK & VP40 - HK Red Enhanced HK VP9, VP40 Alloy Slide Plate. This enhanced model covers has no firing pin viewing window and is enlarged as MUCH as possible to seal the firearm from dirt and debris. That can enter...HKP-17857Now: $23.95Was: $29.95 -
On Sale
HK MP5, MP5K, SP89 Handguard with Handstop
HKP HK Parts
Now: $23.95Was: $29.95HK SP89, SP5K, MP5K - Forearm Compatible With: HK MP5K HK SP89 HK SP5K MP5 Reverse Stretch Style Builds Custom MP5K/ SP89 builds Specifications: Made in the USA 922r Compliant Brand: HK Parts *Can be modified to install on MP5K-N builds with 3...HKP-17397Now: $23.95Was: $29.95 -
On Sale
HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring
MKE
Now: $16.95Was: $19.95MKE HK MP5, MP5K, AP5 Steel Firing Pin and Spring Replacement Kit Replacement steel firing pin and spring kit for HK MP5 platforms. Direct-fit parts for repairing or replacing worn firing components in MP5-style bolt assemblies. Includes: Firing...HKP-99344Now: $16.95Was: $19.95 -
HK45, HK45C, USP Roll Pin - Ambi Control Lever
H&K Heckler & Koch
$2.95HK USP, 45 & 45C Ambidextrous Control Lever Set Roll Pin This item is to hold the right side lever onto the left side axle lever. These can easily be lost or damaged. A great spare part to have on hand. Compatible With: HK USP Full...HKP-02394$2.95 -
HK45, HK45C, P30, P2000 , USP Flat Spring
H&K Heckler & Koch
$9.95HK Flat Spring For Sear Catch This is a wear and replacement item on your HK pistol. A great spare part and needed spring to have on hand. Compatible With: HK USP 9mm HK USP .40 HK USP .45 HK USP Tactical, Elite, Expert HK USP Compact 9mm HK USP Compact...HKP-01259$9.95 -
HK MP5, HK94, SP89, SP5K Magazine Floorplate - 9mm
H&K Heckler & Koch
$10.95HK MP5, 94, MP5K, & SP-89 9mm Magazine Floor Plate - German HK New HK German manufacture. It will fit all HK MP5/MP5K magazines.HKP-01051$10.95 -
Out Of Stock
HK VP Series F3 Trigger - Full Flat Face - Red
Lazy Wolf
$134.95Lazy Wolf VP F3 Full Flat Face Series Trigger - Red In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series trigger is the best trigger ever developed after more than a...HKP-19153$134.95 -
HK416, MR556, MR762 Clamping Sleeve Safety Lever
H&K Heckler & Koch
$7.95H&K HK MR556/MR762/416 Clamping Sleeve Safety Lever There are one of the same pin on both sides. Compatible with: HK MR556 HK 416 HK MR762HKP-15252$7.95 -
HK MP5K 9mm SEF Trigger Group Navy Style- Full Auto - Push Pin - Used
H&K Heckler & Koch
$499.95HK German MP5K SEF Navy Style F/A Trigger Group Complete - Used ON SALE FOR A SPECIAL PROMOTION WHILE SUPPLIES LAST!!! Each trigger group is comprised of genuine Heckler & Koch products Includes: German Full Auto trigger pack with all F/A...HKP-18095-PP$499.95