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
Glock 17 Gen 5 Stand Off Device
HKP HK Parts
Now: $22.46Was: $109.95Stand Off Device - Glock 17 Gen 5 The HK Parts stand off is designed to keep the slide in battery to allow discharge when the firearm is pressed against or comes into contact with an object. It is...HKP-19263Now: $22.46Was: $109.95 -
On Sale
HK45, HK45, USPC Mag Pouch - Single
Comp-Tac
Now: $31.46Was: $34.95Comp-Tac HK USPC/45/45C .45 APC Single Mag Pouch The Comp-Tac single magazine pouch is an outside the waistband holder to carry a spare magazine for competition, concealed carry or general use. The...HKP-17497Now: $31.46Was: $34.95 -
HK G36E Bayonet Lug - Factory
H&K Heckler & Koch
$89.95HK German Factory G36E Bayonet Lug Rare and hard to find. The inside diameter (ID) is 16mm in size. A great alternative for those that do SL8 conversions as well as M27 look clone barrel conversions...HKP-00354$89.95 -
On Sale
HK UMP Paddle Magazine Release - Extended
HKP HK Parts
Now: $22.28Was: $34.95HKP HK Parts Extended Paddle Magazine Release for HK UMP 9mm, .40 S&W, .45 ACP Billeted alloy UMP magazine release. This is a very common repair and replacement part as they are fairly easy to break...HKP-17919Now: $22.28Was: $34.95 -
On Sale
HK MP5SD 9mm Front End Kit
HKP HK Parts
Now: $1,049.96Was: $1,199.95HK MP5SD Front End Build Kit The HK Parts MP5SD front end kit includes everything required (except suppressor) to build an MP5SD front end including the best US and German components available. Each...HKP-02399Now: $1,049.96Was: $1,199.95 -
HK94, HK93 Semi Grip Frame SEF - Metal
HKP HK Parts
$189.95HK MP5,94, 33,93 Style Metal Grip Frame For Semi Auto Shelves Each German HK housing started out as a factory HK German select fire metal housing. Each housing was modified by welding in a factory...HKP-16470$189.95 -
On Sale
Magpul RSA - Rail Sling Attachment
Magpul
Now: $26.96Was: $29.95Magpul RSA - Rail Sling Attachment Attaches to Picatinny rails for an additional point of attachment for slings.HKP-02423Now: $26.96Was: $29.95 -
On Sale
HK VP9 Rail Mount Compensator
HKP HK Parts
Now: $65.96Was: $179.95HKP HK Parts Rail Mount Compensator for HK VP9 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL. *DO NOT USE COMPENSATOR WITH A THREAD PROTECTOR INSTALLED ON THE...HKP-99796Now: $65.96Was: $179.95 -
On Sale
HK VP9, VP40 Straight Trigger - Adjustable
Grayguns
Now: $112.50Was: $125.00Grayguns Adjustable Straight Trigger for HK VP9, VP40 Adjustable straight trigger for HK VP9 and VP40 standard variants. Features an over-travel adjustment and a 90-degree vertical wall for an...HKP-22342Now: $112.50Was: $125.00 -
HK MR556 A4 Charging Handle - Ambi
H&K Heckler & Koch
$199.95H&K HK MR556 A4 Ambi Charging Handle Upgrade your MR556 or HK416-style rifle with this factory H&K ambidextrous charging handle, designed for smooth, reliable operation from either side. Built to...HKP-21933$199.95 -
On Sale
HK CC9 Holster - eV2 Max - RH
Comp-Tac
Now: $57.71Was: $69.95Comp-Tac HK CC9 eV2 Max Holster - Right Hand The Comp-Tac® eV2™ Max Holster offers enhanced comfort and versatility for everyday carry. Built with a two-ply leather backing, it provides a smooth feel...HKP-21923Now: $57.71Was: $69.95 -
HK VP9, P30 Enhanced Magazine Extension Kit +7
HKP HK Parts
$64.95Magazine Extension Kit +7 - HK VP9, HK P30 Our enhanced magazine extension takes our proven design to the next level with innovative grip cuts, ensuring you maintain a secure grasp during rapid...HKP-21592-M$64.95