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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B&T Folding Stock/Length Adjustable Helmet Stock Section - Used
B&T Brugger & Thomet
$49.95B&T HK MP5K, SP5K, SP89 Folding/Adjustable Helmet Stock Section Used stocks taken from demilled Swiss Police MP5's. A great stock and value at a great price. Swiss made B&T folding and length adjustable helmet stock for the HK MP5, MP5K and...HKP-19784$49.95 -
HK45C, P30 International Holster - RH
Comp-Tac
$84.95Comp-Tac HK P30/HK45C International RH Holster - Black The International is an outside the waistband (OWB) holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holster is perfect for...HKP-19585$84.95 -
On Sale
HK VP9SK Compensator - Quick Detach
HKP HK Parts
Now: $92.95Was: $149.95Comp Weight™ Compensator- Quick Detach - HK VP9SK - HKP Easy on, easy off- Quick Detach technology The HK Parts VP9SK Comp Weight™ is the world's first quick detach Comp Weight™, compensator. That slides effortlessly onto your pistol...HKP-18151Now: $92.95Was: $149.95 -
HK VP40 Left Side Charging Support
H&K Heckler & Koch
$4.95H&K HK VP40 Left Side Charging Support - Black Compatible With: HK VP40 NOT for the VP9HKP-17684$4.95 -
On Sale
HKP .40 S&W - Micro Comp - Threaded 9/16x24
HKP HK Parts
Now: $24.95Was: $49.95HKP .40 S&W - Micro Comp - Threaded 9/16x24 The HK Parts Micro Comp & Thread Protector is a lightweight, dual-function device serving as both a compensator and thread protector. It attaches easily to any factory spec P30/P30L barrel...HKP-20369Now: $24.95Was: $49.95 -
HK UMP Magazine Follower - .45 ACP - US
USA
$9.95HK UMP .45 Magazine Follower - USA New UMP .45 magazine follower for all HK UMP .45 magazines. Compatible With: UMP 45 magazines both US or GermanHKP-20177$9.95 -
HK MP5 Handguard With LED Weapon Light - Used
B&T Brugger & Thomet
$399.95B&T HK MP5 Handguard With LED Weapon Light - Used B&T model TL99CREE LED lit handguard for HK MP5, 94 models. Each unit handguard is built with the integrated tactical LED light & 3 position switch. Some lenses may be cracked, but...HKP-19605$399.95 -
HK SP5 Spec Only 9mm SEF Navy Style Trigger Housing - Clipped and Pinned - USED
H&K Heckler & Koch
$89.95H&K SP5 Spec Only 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. It will have some nicks but overall this house is in good working condition. For use with SEF style trigger packs. This will not work with...HKP-19488$89.95 -
Out Of Stock
B&T APC9, GHM9 Drum Magazine - 50 Round - 9mm
F5 MFG
$168.95F5 MFG 50 Round 9mm Drum Magazine for B&T APC9 and B&T GHM9 The only one of its kind, Brugger & Thomet APC9 and GHM9 50 round drum magazine. Truly an incredible combination of quality and performance, be the first to own this exclusive...HKP-18577$168.95 -
HK G28 Buffer Tube
H&K Heckler & Koch
$224.99HK G28 Buffer Tube / Receiver Extension New HK German buffer tube with the proper slot cut for use with the G28 stock. This is the factory correct part needed to get the full range and use of the G28 adjustable stock. Made in Germany by HK.HKP-16741$224.99 -
HK MP7 Retractable Buttstock
H&K Heckler & Koch
$199.95H&K HK MP7 Retractable Stock New Rare HK MP7 - 1 Position - Retractable Buttstock Compatible With: All MP7A1 and MP7A2 FirearmsHKP-18552$199.95 -
HK45 Compact Hammer Spring
H&K Heckler & Koch
$10.95Hammer Spring For HK45 Compact This part is shorter than the HK45 hammer spring and is used on the HK45C only.HKP-01805$10.95