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
HK91, G3, PTR Magazine - 20 Round - Aluminum - Rheinmetall - Used
Rheinmetall
Now: $10.36Was: $12.95Rheinmetall HK G3, HK91, & PTR91 - 20 Round Magazine - Used Perfect for your HK G3/PTR style firearm. The G3 alloy mags were made for the German Army and are no longer in production. Once they are...HKP-21840Now: $10.36Was: $12.95 -
HK P7 Series 4 in 1 Gas Cylinder Cleaning Tool
Other
$21.95P7 Series 4-In-1 Gas Cylinder Cleaning Tool Made from stainless steel and hand-fitted for perfect fitment on each P7 pistol. Each tool features a 4-in-1 (seven tool) and includes a precisely sized...HKP-02080$21.95 -
Pistol Rug Case - Bundesadler
HKP HK Parts
$19.95HKP Pistol Rug - Bundesadler Keep your handgun safe with the HK Parts pistol rug featuring the iconic German Bundesadler crest. This heavy duty pistol case will accommodate one pistol and up to 5...HKP-21014-M$19.95 -
Out Of Stock
HK45 Thread Protector - 16x1 LH
H&K Heckler & Koch
$24.95H&K .45 ACP Thread Protector - Threaded 16x1 LH The cap fits all HK45 full size & compact barrels threaded 16x1 LH hand thread. A must have item to protect your threaded barrels, exposed threads, and...HKP-00297$24.95 -
HK UMP .45 ACP 15 Round Magazine
HKP HK Parts
$49.95UMP, SMG .45 ACP 15 Round Magazine - USA Compact 15 round magazine will fit all HK UMP .45 caliber carbines, SMG's as well as the USC-UMP .45 caliber converted firearms. Each magazine features, steel...HKP-17585-M$49.95 -
Out Of Stock
HK Roller +8 - New - 8.08mm
HKP HK Parts
$8.99Roller +8 - New - 8.08mm HK Parts Standard (8.08 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2...HKP-19437$8.99 -
HK VP9SK, P30SK Magazine - 9mm - 10 Round - Extended Finger Rest - Red Follower
H&K Heckler & Koch
$49.95HK VP9SK & P30SK 9mm - 10 Round Magazine with Rubberized Extended Finger Rest - Red Follower New German HK manufacture 10 Round 9mm P30SK, VP9SK magazine with factory HK rubberized pinky extension...HKP-21420$49.95 -
Out Of Stock
HK MP5K Vertical Foregrip - M-LOK Cantilever Rail - US
HKP HK Parts
$69.95HKP HK MP5K Magpul VFG w/Cantilever M-LOK Rail New VFG for the MP5K platform is now M-LOK compatible and comes pre attached with a Magpul M-LOK polymer cantilever rail. The perfect combination to...HKP-20738$69.95 -
Out Of Stock
3 Lug Adapter - 9mm - Threaded 1/2x28
HKP HK Parts
$49.95HKP 9mm 3-Lug Adapter - Threaded 1/2x28 The HK 3-Lug Adapter is a premium component designed to enhance your setup. It features internal 1/2x28 threading, allowing you to attach it to existing...HKP-00106$49.95 -
On Sale
HK MP5, SP5K, SP89, Optic Mount Bundle - Holosun Reflex X2
Holosun
Now: $315.97Was: $394.95Holosun X2 - Red 2 MOA Dot & 32 MOA Circle - Optic Mount - Bundle - HK MP5 Includes: (1) Holosun Reflex X2 MRS Red Solar (1) MP5 RMR Optic MountHKP-20735Now: $315.97Was: $394.95 -
HK MP5, MP5K Thread Protector - 9mm - 1/2x28 RH
HKP HK Parts
$14.95HKP/H&K MP5/K 9mm Thread Protector - Threaded 1/2x28 RH This US-made thread protector is specifically designed for HK MP5, MP5K, and threaded barrel applications. Ideal for MP5, MP5-N, and MP5K-N...HKP-16883$14.95 -
On Sale
HK MP5, MP5K Optic Mount - Aimpoint ACRO P-1, P-2
HKP HK Parts
$63.08 - $98.95HKP HK MP5, MP5K Aimpoint ACRO P1, P2 Optic Mount The HK Parts Aimpoint ACRO low-profile mount is perfect for shooters seeking a minimalistic mount with an absolute co-witness. Crafted in the US...HKP-21229-M$63.08 - $98.95