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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HK91, G3 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin
H&K Heckler & Koch
$459.95H&K 91/G3 (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin This authentic German HK trigger housing features a 4 position pictogram (0,1,3,F) and is designed for push pin style G3 or Zenith firearms. It is configured for use...HKP-17823$459.95 -
On Sale
HK33, HK53, HK93 Complete FBI Trigger Group - Clipped, Pinned
H&K Heckler & Koch
Now: $689.95Was: $849.95Heckler and Koch Complete FBI Trigger Group for HK33, HK53, HK93 - Clipped & Pinned Complete FBI-style trigger group for HK93, HK53, and HK33 pattern rifles chambered in 5.56 / .223. Manufactured from genuine Heckler and Koch German components...HKP-00019Now: $689.95Was: $849.95 -
On Sale
HK91 Handguard - Carbine Length - KeyMod
AIM
Now: $48.95Was: $84.95AIM CARBINE LENGTH KeyMod HANDGUARD for HK91 This sleek streamlined design is an ultra-low-profile handguard with generous mounting space to accept all KeyMod accessories. Compatible With: Carbine length variants only. Specifications: Black...HKP-18178Now: $48.95Was: $84.95 -
On Sale
HK33K Barrel - 300 BLK - 12.5" - Threaded 5/8x24
RCM
Now: $198.95Was: $234.95RCM HK33K .300 BLK K Length Barrel - Threaded 5/8x24 Each barrel is designed for use with popular AAC-Style quick detach muzzle brakes and suppressors featuring a 5/8x24 thread pitch. It is also suitable for most .300 BLK suppressors and applications...HKP-16952Now: $198.95Was: $234.95 -
Out Of Stock
HK MP5 Trip Lever - Modified - .40 S&W, 10mm
H&K Heckler & Koch
$24.95HK German Trip Lever This has been modified and polished for HK-registered sear packs (Fleming, Qualified). This item is set up for use with MP5 40/10 trigger packs. This is the friction type of trip lever for SEF or Navy sear packs. Please Note: This...HKP-00415$24.95 -
Out Of Stock
HK MP5K Burst Trigger Housing - 3 Position Pictogram S,E,3F - Push Pin - 9mm - RARE
H&K Heckler & Koch
$0.00H&K MP5K 9mm 3 Position (S,E,3F Pictogram) Burst Trigger Housing - Push Pin - RARE This rare HK MP5K SE3F marked ambidextrous push pin trigger features a 3 position pictogram (S,E,3F) Safe, Semi, and 3-Round Burst. With only a few available in the...HKP-02015$0.00 -
Out Of Stock
HK MP5K Trigger Housing - 4 Position Pictogram 0,1,3,F - Push Pin - 9mm
H&K Heckler & Koch
$399.95H&K MP5K 9mm 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin This new HK German MP5K 4 position trigger housing features the 0,1,3,F pictogram and is designed as a factory push pin style housing. It is not clipped and pinned, suitable for...HKP-02184$399.95 -
HK MP5N Parts Kit - A3 Buttstock and Navy 3 Position Lower - RARE
H&K Heckler & Koch
$2,958.95H&K MP5-N Parts Kit 100% German - A3 Stock & Navy 3 Position Lower - RARE All German HK MP5 Navy parts kit with 3 lug and threaded barrel, Action 3 bolt group, A3 retractable stock, 3 position navy lower, one 30 round curved...HKP-15172$2,958.95 -
HK MP5 Pistol Parts Kit - 9mm - Receiver Flat and Weldment Set
H&K Heckler & Koch
$1,689.95H&K MP5 9mm Pistol Build Kit With Flat & Weldment Set Each MP5 9mm parts kit started life as an iconic German manufactured MP5 that was issued to the border guard and military police for service. During that service, they were carried a ton but...HKP-16606$1,689.95 -
On Sale
HK MP5, HK94, HK34 Barrel - 9mm - 12.7"- Threaded 1/2x28
RCM
Now: $183.95Was: $204.95RCM MP5, HK34, HK94 Barrel - 9mm - 12.7"- Threaded 1/2x28 Each barrel is hand-selected from the finest cold hammer forged (CHF) 41V45 steel blanks, expertly profiled and chambered in the desirable 16 flute chamber profile. Finished with a...HKP-17762Now: $183.95Was: $204.95 -
On Sale
HK MP5, SP5, MP5K, SP5K Cocking Handle - Skeletonized
HKP HK Parts
Now: $38.95Was: $48.95HKP HK MP5, MP5K Skeletonized Cocking Handle HKP skeletonized cocking handle for HK MP5 and MP5K pattern firearms. The knurled profile provides increased surface area for improved charging control. Machined from steel billet and salt-bath...HKP-22865Now: $38.95Was: $48.95 -
On Sale
HK MP5, SP5, MP5K, SP5K, AP5 Cocking Tube End Cap
MKE
Now: $9.95Was: $11.95MKE Cocking Tube End Cap for HK MP5, SP5, MP5K, SP5K, AP5 MKE steel cocking tube end cap for HK MP5, MP5K, and 90 series firearms. Made in Turkey, this factory-style part is perfect for replacement, repair, or clone builds. Compatible With: MP5, MP5K,...HKP-22867Now: $9.95Was: $11.95