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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On Sale
Micro Flash Hider - 4 Prong - Threaded 15x1 RH - 5.56 / .223 - 7.62x51 / .308
USA
Now: $58.46Was: $64.95HKP (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH New shorter "micro" version US-made 4-prong flash hider threaded 15x1 RH. Micro FH will fit all HK .223 & .308 threaded...HKP-02189Now: $58.46Was: $64.95 -
On Sale
HK33, HK93 Locking Piece - 300 BLK
RCM
Now: $37.46Was: $49.95RCM 300 BLK Locking Piece New US manufactured 300 BLK locking piece for custom 300 builds or other custom 300 BLK HK style roller locked firearms. Compatible With:HKP-15547Now: $37.46Was: $49.95 -
On Sale
HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - QD Sling Attachment - 9mm
HKP HK Parts
Now: $73.28Was: $114.95HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter - QD Sling Attachment Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD Sling Attachment Points...HKP-18796Now: $73.28Was: $114.95 -
HK MP5, MP5K Selector Lever, Left Side - Navy Trigger Groups
H&K Heckler & Koch
$399.95H&K Standard 4 Position Burst Left Side Selector Lever Compatible with any of the 0, 1, 3, F or 0, 1, 2, F trigger packs. Brand new HK German part. No longer available so get them while you can.HKP-00123$399.95 -
HK CC9 Grip Module
H&K Heckler & Koch
$92.95Heckler and Koch CC9 Grip Module Factory replacement grip module for the CC9 pistol. Professionally Cerakoted to match factory HK colors. Includes both standard and large backstraps. Compatible...HKP-22710-M$92.95 -
On Sale
HK MP5, AP5 Front Sight Tower Complete
MKE
Now: $26.21Was: $54.95MKE AP5, MP5 Front Sight Tower Complete The front sight tower is a critical component for a perfect build. The MKE front sight tower is great option for new builds or replacement of damaged units...HKP-22256Now: $26.21Was: $54.95 -
HK416, MR556, HK417, MR762 Takedown Pin - Rear - A4 Style
H&K Heckler & Koch
$47.95H&K MR556, HK416, HK417, MR762 Rear Takedown Pin Factory A4 rear takedown pin. Will work for A1 and A4 applications.HKP-22029$47.95 -
Out Of Stock
HK Screwdriver for Adjustable Rear Sight
H&K Heckler & Koch
$10.95Screwdriver for Adjustable Rear Sight Precision screwdriver designed for adjusting rear sights. Ideal for fine-tuning windage and elevation.HKP-21981$10.95 -
On Sale
HK G36 Picatinny Adapter - Gen 2
HKP HK Parts
Now: $125.96Was: $139.95HKP HK G36 Picatinny Adapter - Gen 2 Elevate your G36 with the Gen 2 Picatinny adapter, designed to effortlessly attach any 1913-style stock or brace. Our refined design guarantees a secure...HKP-21866Now: $125.96Was: $139.95 -
On Sale
HK416, MR556 Stabilizing Brace - SBA5
SB Tactical
$102.26 - $111.56SB Tactical SBA5 Brace The SBA5 Pistol Stabilizing Brace is 5-position adjustable and designed for all platforms capable of accepting a mil-spec carbine receiver extension. Featuring an integral,...HKP-21794-M$102.26 - $111.56 -
On Sale
Universal Belt Holster - QB Ambidextrous
Comp-Tac
Now: $49.46Was: $54.95QB Belt Holster - Ambidextrous - Universal - VP9, VP40, P30, USP, P2000, HK45 Finally- one holster to cover your whole HK Collection. Comp-Tac spent years researching the dimensional difference...HKP-19853Now: $49.46Was: $54.95 -
HK P7M8, PSP, P7M13 Trigger Return Spring
Grayguns
$35.00Grayguns HK P7M8, PSP, P7M13 Trigger Return Spring The Grayguns HK P7 Trigger Return Spring was designed due to the dwindling availability of parts for the highly popular Heckler & Koch P7. The...HKP-19760$35.00