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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M-LOK Cantilever Rail - Light Mount
Magpul
$19.95Magpul Rail Light Mount M-LOK Designed for use with all M-LOK mounting surfaces, the M-LOK polymer cantilever rail/light mount allows the attachment of various MIL-STD-1913 Picatinny spec rail-mounted accessories such as lights and optics, and directly...HKP-20689$19.95 -
HK416, MR556, HK417, MR762 Takedown Pin Detent Spring
H&K Heckler & Koch
$9.95H&K HK MR556/MR762/416/417 Takedown Pin Detent Spring New HK German manufacture. Detent spring for the rear takedown pin. Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-02541$9.95 -
HK MP5, HK94 Cocking Tube Support - Steel
HKP HK Parts
$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-18040$49.95 -
HK MP5, MP5K Magazine - 30-Round - LEO Marked - 9mm
KCI
$52.95KCI 30 Round HK MP5, MP5K Magazine - LEO Marked KCI MP5 LEO marked magazines. Great for collectors and shooters who want the classic LEO aesthetic without paying factory-mag prices. We offer this LEO marked magazine with either "Ashburn" or...HKP-21611-M$52.95 -
HK VP9, VP9SK Cocking Aid Filler Left, Right Set
H&K Heckler & Koch
$19.95Cocking Aid Filler Piece Set For - HK VP9, VP9SK HK VP9/VP9SK Filler set replaces the cocking aids for a "flat" cocking area rather than raised cocking aids as comes standard on the HK VP9 pistol. These are a drop in part for the HK VP9 pistol. Brand new...HKP-17213$19.95 -
HK VP9, VP40, USP Series, P Series Magazine Spring - 10 Round
H&K Heckler & Koch
$6.95New German HK Magazine Spring For 10 Round Magazines A must-have part as magazine springs are high wear and a common replacement item. Compatible With: HK USP 9mm HK USP 40 S&W HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK...HKP-01428$6.95 -
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 -
HK MP5, HK90 Series F1 Flat Trigger
HKP HK Parts
$49.95HKP 90 Series F1 Flat Trigger With the utmost attention to detail in the design and manufacture of the HK Parts F1 flat 90 series trigger. Each F1 flat trigger will fit all 0,1 & SEF & Navy style trigger packs. Each trigger counts as one US...HKP-21537$49.95 -
HK USP Magazine Floorplate - .45 ACP - 12 Round - Extended
H&K Heckler & Koch
$10.50HK USP 45 12 Round Magazine Floor Plate - Extended A great spare to have on hand as these are prone to breakage if mags are dropped on hard surfaces. Compatible With: All HK USP 45 full size & USP 45 Tactical 12 round magazines.HKP-00920$10.50 -
HK33, HK53, HK93 Cocking Handle - Extended
HKP HK Parts
$69.95HKP HK 93, 53, & 33 (5.56/.223) Extended Cocking Handle Extended cocking handle for the HK93/33/53 family of firearms. Each handle is designed with the looks of the HK21E/HK23E style extended cocking handle. All steel handles with an enhanced...HKP-00196$69.95 -
HK MP5, MP5F Recoil Rod Guide Ring - Enhanced
HKP HK Parts
$3.95HKP MP5F & MP5 40,10 Recoil Rod Guide Ring For Recoil Rod Assemblies - Enhanced New Enhanced material for greater longevity and durability Our US made recoil rod guides are the made from the strongest most durable material available much better than...HKP-17835$3.95 -
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