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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HK CC9 Firing Pin Spring
H&K Heckler & Koch
$5.95H&K CC9 Firing Pin Spring Manufactured by H&K, this firing pin spring for the H&K CC9 pistol applies consistent tension to the firing pin, ensuring reliable ignition.HKP-22138$5.95 -
HK CC9 Extractor Spring
H&K Heckler & Koch
$5.95H&K CC9 Extractor Spring Made by H&K, the extractor spring for the cc9 pistol provides spring tension to the extractor for reliable cartridge extractions.HKP-22130$5.95 -
HK VP9 Slide Release Lever - Left - Anti-Skid
H&K Heckler & Koch
$74.95H&K VP Anti-Skid Slide Release Lever - Left Left side extended slide release lever. Can be combined with 260498, 50254710, 50239708. CompatibleHKP-22011$74.95 -
HK91, G3 Two Magazines and Rubberized Mag Pouch - 20 Round - Aluminum - Like New
H&K Heckler & Koch
$36.95HK Heckler and Koch Two 20 Round Aluminum Mags with Rubberized Mag Pouch for HK91 Two Like-New HK German 20 round aluminum magazines, accompanied by a premium hand-picked green rubbeHKP-21804$36.95 -
On Sale
B&T 9mm Magazine - 10 Round
B&T Brugger & Thomet
Now: $58.50Was: $65.00B&T 10 Round 9mm Magazine Compatible With: B&T MP9/TP9 <HKP-21740Now: $58.50Was: $65.00 -
On Sale
HK MP5 Alpha Folding Stock With Direct Fit Adapter - .22 LR
MI Midwest Industries
Now: $267.72Was: $419.95MI/HKP HK MP5 .22 LR Alpha Folding Brace/Stock Adapter The Midwest Industries alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length...HKP-21515-MNow: $267.72Was: $419.95 -
HK91, G3 Extractor - Used
H&K Heckler & Koch
$6.85HK German HK G3, HK, 91 & PTR 91 .308 Extractor - Used Surplus HK German extractor. Fits all models of HK G3 style firearms and CETME's. Compatible With:HKP-21507$6.85 -
On Sale
HK MP5 Bolt Group - 9mm - Full Auto - Complete
H&K Heckler & Koch
Now: $2,245.95Was: $2,874.95H&K HK MP5 9mm Complete Full Auto Bolt Group This is a factory genuine HK German full auto bolt group compiled with the best German parts available for those that need the best parts on their...HKP-21478Now: $2,245.95Was: $2,874.95 -
On Sale
HK Binary Selector Set - Ambi Housing - RAL8000
HKP HK Parts
Now: $50.97Was: $79.95HKP/H&K MP5/K 9mm Ambi Housing Franklin Armory Binary Selector Set - RAL 8000HKP-21380Now: $50.97Was: $79.95 -
B&T Unigrip for TL99
B&T Brugger & Thomet
$159.95B&T Unigrip for TL99 This for grip is made to be used with the MP5 handguard with integrated tactical light (BT-400971-4). It mounts around the housing of the light in the handguard. This is a good...HKP-21228$159.95 -
On Sale
HK VP9 Compensator for Threaded Barrel - Bronze
HKP HK Parts
Now: $89.96Was: $179.95HKP HK VP9 Compensator for Threaded Barrel - Bronze This HK Parts VP9 threaded barrel rail mount compensator is the perfect accessory for your firearm. Our compensator has a sleek design that flows...HKP-20858Now: $89.96Was: $179.95 -
On Sale
Muzzle Brake - Titanium 3 Port .30 Cal
Tactical Precision MFG
Now: $32.21Was: $84.99TPM - Titanium 3 Port Muzzle Brake .30 Cal This radially ported muzzle brake is for Ruger American and many other lightweight mountain rifles. Features: Weight:0.67 ozHKP-20777Now: $32.21Was: $84.99