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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Out Of Stock
HK VP9 Micro Comp - Vented - Threaded 13.5x1 - Left Hand
HKP HK Parts
$29.95HKP 9mm Vented Micro Comp - Threaded 13.5x1 LH The HK Parts Micro Comp and Thread Protector is designed to be lightweight and functional both as a compensator and thread protector. This lightweight...HKP-19720$29.95 -
Out Of Stock
HK MP5, SP5K, HK94, SP89 Magazine Catch - 9mm - Latest Style
H&K Heckler & Koch
$64.95Heckler and Kock Magazine Catch Latest Style Genuine HK mag release for factory and clone firearms. This component often resolves issues with mags not locking into position on HK clones and builds...HKP-00911$64.95 -
Out Of Stock
HK P30 Series Trigger V4 Medium Weight Return Spring
H&K Heckler & Koch
$14.95Trigger Return Spring For V4.1 or Combat Defensive Action (CDA) Trigger for the HK P30, P30L pistols. This spring is also known as the medium weight trigger return spring. Found on all (European CDA)...HKP-16745$14.95 -
HK USP, Mark 23 Magazine - 17 Round - Enhanced - .45 ACP
HKP HK Parts
$113.95HKP 17 Round HK USP .45 ACP/Mark 23 Enhanced Magazine Our 17 round magazine starts life as a factory HK 12 round magazine then gets a capacity bump with our +5 mag extension. Compatible With:HKP-21459-M$113.95 -
HK UMP 45, SMG 45 Magazine Loader
HKP HK Parts
$39.95HKP HK UMP 45, SMG 45 Magazine Loader The enhanced loader is the finest loader available for UMP 45 magazines. Speed up your load time and save your thumb in the process. Made in the USA.HKP-19662$39.95 -
HK VP9, VP9SK, VP40 Disassembly Safety Spring
H&K Heckler & Koch
$2.95Elbow Spring For Dismounting Safety HK VP9, HK VP40 Compatible With: HK VP9 HK VP9A1 FHKP-16791$2.95 -
HK VP9SK, P30SK Magazine - 9mm - 12 Round - Extended Floorplate
H&K Heckler & Koch
$54.95H&K HK 12 Round VP9SK/P30SK 9mm Extended Floorplate Magazine New factory HK 12 round magazine for VP9SK & P30SK 9mm. HK's magazine is made to their specifications and tolerances usiHKP-20604-M$54.95 -
HK MP5, HK94 A3 Retractable Buttstock - Gen 2
H&K Heckler & Koch
$939.95HK94, MP5 Stock - A3 - Gen 2 The original Navy-style German HK MP5 A3 stock is no longer in production and have been replaced with the MP5 F-style stock. Each offering is the second generation MP5 A3...HKP-00167$939.95 -
Out Of Stock
HK MP5, MP5K Locking Piece - 100 Degree - Heckler and Koch
H&K Heckler & Koch
$89.95Heckler and Koch 100 Degree Locking Piece for HK MP5, HK MP5K, HK SP5, and HK SP5K The MP5 100-degree locking piece is the factory-correct locking piece for all HK MP5 and MP5K stHKP-00134$89.95 -
HK Roller +9 - New - 8.09mm
HKP HK Parts
$8.99Roller +9 - New - 8.09mm HK Parts Standard (8.09 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2...HKP-19438$8.99 -
On Sale
HK P2000 to HK P30, VP9 Magazine Adapter
X-Grip
Now: $12.76Was: $15.95X-Grip HK P2000 to P30/VP9 Magazine Adapter The XGRIP P2000 is a new patent pending OEM factory accessory for the HK P2000 that enhances the versatility, look, and feel of the gun. Features:HKP-16670Now: $12.76Was: $15.95 -
HK German Recoil Guide Rod Rivet
H&K Heckler & Koch
$9.95H&K German Recoil Guide Rod Rivet This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. The price is per rivet. New old stock HK German rivet. Compatible With:HKP-01026$9.95