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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HK91, G3, PTR Magazine - 10 Round - Steel
H&K Heckler & Koch
$73.9510 Round Magazine - Steel This part counts as 1 US-made part for 922r compliance for HK rifles. This magazine was made by Heckler and Koch and converted to ten rounds in the United States using the US-made floorplate. Compatible With: HK91 HK G3 HK...HKP-01607$73.95 -
HK MP5A4, MP54A5, MP5SD Operators Red Book
H&K Heckler & Koch
$18.95New HK German MP5A4, MP5A5, & MP5SD Operators Red BookHKP-02227$18.95 -
Out Of Stock
HK MP5 Cleaning Brush Combo
HKP HK Parts / Heckler & Koch
$44.95HK German/USA Brush Set Combo All the HK custom brushes you will need to clean your barrel, chamber, chamber face, receiver, magwell, and magazines. These are the brushes you will need to properly clean and maintain your MP5. This will work with all MP5...HKP-16680$44.95 -
HK90 Series Catch Lever Axle - Ambi Trigger Packs
H&K Heckler & Koch
$5.95H&K Catch Lever Axle For Ambidextrous Trigger Packs This is the axle that is found in all ambidextrous trigger packs for the 90 series that retains the catch lever assembly.HKP-01552$5.95 -
Uzi Sling - Used
Other
$24.95Uzi Sling - Used Original IMI sling used complete with steel buckle, two leather loops and steel tip keepers. Once they're gone, they're gone for good. Compatible With: Action Arms Uzi Micro & Mini SMG Model A&B carbine Semi-Auto Mini Carbine...HKP-21562$24.95 -
HK VP9 Optic Plate #12 - Aimpoint ACRO P-1, P-2 - Red Dot Pistol Mount - Alloy
HKP HK Parts
$29.95HK VP9 Series Optics Ready #12 - Aimpoint ACRO P-1, P-2 - Optic Mount - Aluminum The finest all aluminum mounting solution for your HK VP9 series optic ready model. Each unit comes with 2 T20 steel torx plus screws for mounting the optic plate to your...HKP-21510-M$29.95 -
HK 91, G3 Handguard - Slimline Style - OD Green - LIKE NEW
H&K Heckler & Koch
$24.95H&K 91/G3 (7.62x51/.308) Slimline Forearm - OD Green - LIKE NEW Like new German military surplus O.D. green slimline forearm with heat shield. For use on standard contour barrels not the thicker barrel profiles. Compatible With: HK G3 HK 91 HK PTR...HKP-21477$24.95 -
HK MP5 Stock or Brace Adapter - Picatinny Rail
HKP HK Parts
$119.95HKP HK MP5 Picatinny Rail Brace/Stock Adapter Our rail stock adapter allows you to attach any 1913 Style Stock or brace to your MP5. The 1913 style stocks & braces lock in place and provide a better cheek weld hieght option than many traditional...HKP-21426$119.95 -
HK VP9SK, P30SK Magazine - 9mm - 14 Round - Floorplate with Pinky Rest
HKP HK Parts / Heckler & Koch
$69.95HK VP9SK & P30SK 9mm – 14 Round Magazine New German VP9SK/P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK Parts +2 magazine extension installed & ready to use. This magazine has the same...HKP-20888$69.95 -
HK90 Series Front Night Sight - Tritium - Standard Dot
XS Sights
$92.95XS Sights Tritium Night Sight - Standard Dot Standard Dot front sights use a patent-pending glow dot that absorbs light and glows in low light levels before it is dark enough to see the tritium. Green is a great option for low light and has a very...HKP-19602$92.95 -
HK45, HK45 Compact, USP, USP Compact New Style Hammer
H&K Heckler & Koch
$62.95H&K HK USP/USPC/45/45C New Style Hammer Will work for USP/USPC variants 1-4, 9 & 10. This part replaces the older HK hammer without the sear cutout (part #214825). Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact...HKP-01256$62.95 -
HK UMP, USC, G36, SL8 Front Night Sight
XS Sights
$84.95XS Sight Systems Trijicon - Front Night Sight Standard dot, the perfect size and fitment. This is a direct replacement for the factory sight. The night sight installs within a couple of minutes. The custom sight will enable you to get on target quicker...HKP-00808$84.95