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 USP Series Front Sight 6.8mm
H&K Heckler & Koch
$44.95HK USP Series Front Sight 6.8mm Compatible With: HK USP 9mm HK USP 40 HK USP 45 ACPHKP-01928$44.95 -
On Sale
HK VP9SK Holster - AIWB eVade
Comp-Tac
$38.22 - $54.95Comp-Tac HK VP9SK AIWB eVade Holster The eVade Holster is designed for easy as well as deep concealment in the Appendix Inside the Waistband (AIWB) position. The eVade's holster body is made of...HKP-18919-M$38.22 - $54.95 -
On Sale
HK MR556, CR556, MR762 Rail Segment - 20 Slots - H-Key
HKP HK Parts
Now: $31.84Was: $49.95HKP HK MR556/CR556/MR762 H-Key 20 Rail Segment 20 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being...HKP-17848Now: $31.84Was: $49.95 -
Out Of StockOn Sale
HK416 E1 Buttstock and Buffer Tube Combo - Commercial OTB
H&K Heckler & Koch
Now: $392.95Was: $469.95Heckler and Koch's E1 Buttstock and OTB Buffer Tube Combo - Commercial for HK416 Genuine HK416 E1 commercial buttstock with the new style marine environment "oveHKP-18361Now: $392.95Was: $469.95 -
HK G36, SL8 Cocking Handle
HKP HK Parts
$49.95Cocking Handle For G36 & SL8 Bolt Carriers - USA New USA made charging handle ideal for a 922 replacement part. Made in the USA.HKP-18251$49.95 -
Out Of Stock
HK UMP Bolt Carrier - Full Auto - Stripped 9mm
Michaels Machines
$699.95HK UMP 9mm - Full Auto Bolt - Stripped The full auto bolt carrier is for HK UMP rifles. The full-auto bolt carrier will not work in the HK USC conversion rifles. One of the finest aftermarket...HKP-02288$699.95 -
On Sale
Raddlock Key - HK Series
Raddlock
Now: $3.71Was: $9.95HK Series Raddlock Key And Lanyard Raddlock kits convert your firearm to a non-detachable magazine configuration for states with removable magazine restrictions. This is a replacement key for...HKP-02447Now: $3.71Was: $9.95 -
On Sale
HK23E Saw Feed Box Adapter
Michaels Machines
Now: $269.96Was: $299.95Saw Box (M249) Adapter For HK23E Or MM23E Belt FedsHKP-02072Now: $269.96Was: $299.95 -
Out Of Stock
HK21 T-Rail Set - Factory Style
Michaels Machines
$275.00Michael's Machines HK 21 (7.62x51/.308) Factory Style T-Rail Set HK21 US-made rails for all HK21 builds. This is similar to the rails above, only prepped/cut for the HK21 feed mechanism.HKP-00823$275.00 -
HK91, G3, PTR TWO Magazines with Pouch - 20 Round - Aluminum
H&K Heckler & Koch
$49.95H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ New Vinyl Mag Pouch Combo deal: 2 X 20 round aluminum magazines with new green vinyl mag pouch. Compatible With:HKP-16324$49.95 -
On Sale
HK91, G3, HK33, HK53, HK93 Stock and Stock Adapter - AR Style
PTR
Now: $133.84Was: $209.95PTR AR Brace/Stock Adapter w/ Magpul Stock - G3, 91, 93, 53, 33 AR15/M16 to HK 90 series stock adapter set with a Magpul MOE stock installed as well as the buffer tube and castle nut. Just use your...HKP-15457Now: $133.84Was: $209.95 -
Out Of Stock
HK MP5 A3 Retractable Buttstock Sling Attachment Bar - Weldable
H&K Heckler & Koch
$9.95HK MP5 A3 Retractable Stock Sling Bar This part offering is a factory German HK part new unpainted and ready to weld to your application. Can also be used for upgrading a non-ambi stock to an ambi...HKP-17427$9.95