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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HK P30SK Grip Wrap for Medium Backstraps - Rubber
Talon Grip
$19.99TALON Rubber Grip for HK P30SK Medium Backstrap Adhesive grip overlay designed for the HK P30SK pistol configured with the medium backstrap. This rubber-textured grip provides enhanced control and handling without adding significant bulk. The ultra-thin...HKP-20237$19.99 -
Out Of Stock
HK MP5 Brace System - Modular - .22LR - Havoc
F5 MFG
$349.95F5 MFG HK MP5 .22LR Modular Brace System Havoc MBS (Modular Brace System) for the MP5 .22LR. To convert your brace into a stock, simply swap out the brace attachment interface with F5's MSS stock interface in a matter of seconds (NFA rules apply)...HKP-20195$349.95 -
Tommy Built UMP Buffer Tube Adapter
$249.95Tommy Built UMP Buffer Tube Adapter UMP hinge with Buffer Tube Mount for adapting an AR style Mil spec brace or stock. Constructed of nylon and has 6 adjustable positions. Adapter only- stocks in the pictures are for reference.HKP-19967$249.95 -
On Sale
HK VP40 MatchWeight w/ Picatinny Rail
MatchWeight
Now: $89.98Was: $194.99Match Weight HK VP40 w/ Picatinny Rail The 2-piece compensator attaches with ease and only takes a few minutes to install. The compensator bolts onto your gun using two small screws, allen key included. A Match Weight Compensator adds both style and...HKP-19902Now: $89.98Was: $194.99 -
HK MP5, HK93, HK94 M4 Telescopic Stock
Choate
$246.99Choate M4 Telescopic Stock for MP5, HK93, and HK94 The M4 telescopic stock for the Heckler and Koch HK93, HK94 and MP5 replaces the existing stock and gives the shooter the ability to change the length of pull. The housing is all aluminum and...HKP-19895$246.99 -
HK MP5 Binary Trigger Group - SEF Navy - BFSIII - 10mm and .40 S&W
FA Franklin Armory
$879.95Franklin Armory HK MP5 .40/10 BFSIII HK-C1 Franklin Binary SEF Navy Style Trigger Group 3 Position HK binary trigger group for the MP5 .40 and 10mm firearms. The BFSIII is ideal for tactical and competition use. The BFSIII provides greatly reduced...HKP-19663$879.95 -
HK P7 M8, M13 Big Dot - DXT2 - Yellow
XS Sights
$149.95DXT2 XS Big Dot Yellow Night Sights - HK P7 M8, P7 M13 XS DXT2 Big Dot Tritium Night Sights offer the best front sight visibility in all lighting conditions. DXT2 Big Dot sights drive focus to the front sight using a high-contrast front and a V-notch...HKP-19278$149.95 -
Out Of Stock
HK SP5, MP5 Trigger Housing - SEF Universal Contoured - Clipped and Pinned - 9mm
H&K Heckler & Koch
$349.95H&K Heckler and Koch 9mm Clipped and Pinned SEF Universal Contoured Trigger Housing for HK SP5 and HK MP5 This SEF contoured trigger housing is designed for universal compatibility with both HK SP5 and MP5 semi-auto shelf styles. Featuring contoured...HKP-19271$349.95 -
Out Of StockOn Sale
HK VP9 Holster - The Defender IWB, OWB- LH
L.A.G. Tactical
Now: $59.95Was: $79.95L.A.G. Tactical HK VP9 The Defender IWB/OWB LH Holster The Defender is known for being lightweight and comfortable. The easily interchangeable belt loops take you seamlessly from your outside the waistband range set up, to your highly concealable inside...HKP-18709Now: $59.95Was: $79.95 -
HK VP9, VP40 Locking Block Guide
H&K Heckler & Koch
$119.95Heckler and Koch Locking Block Guide for HK VP9 and HK VP40 Locking Block Guide complete, welded for all VP9 and VP40 frames. Compatible With: VP9 VP9F VP9K VP40HKP-16789$119.95 -
HK417, MR762 14.7" Modular Rail System
H&K Heckler & Koch
$479.95HK MR762, CR762 & HK 417 14.7" Extended Modular Rail System (MRS) - Rare New HK German modular rail system for the HK MR762. Each unit comes with 2 X 5 slot rails attached on the HKey attachment system as well as all hardware for attachment. This is...HKP-17343$479.95 -
HK45 Grip Bearing With Lockout Device
H&K Heckler & Koch
$26.95HK 45 Grip Bearing With Lockout DeviceHKP-02215$26.95