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
HK MP5 Buttstock Locking Lever - USED
H&K Heckler & Koch
Now: $44.96Was: $89.95H&K MP5 Stock Locking Lever - USED USED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL.<HKP-02560-BNow: $44.96Was: $89.95 -
On Sale
HK SIG P320C Compensator - BLEMISHED
HKP HK Parts
Now: $93.71Was: $189.95HKP SIG P320C Compensator - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED DINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLDHKP-21092-BNow: $93.71Was: $189.95 -
Out Of Stock
Exemplar Manual Folder - Clip Point 3.25"
Hogue
$179.95Heckler and Koch and Hogue Exemplar Manual Folder Blade: 3.25" Clip Point Blade - Stone TumbledSolid Black G10 Frame Features: Locking mechanism: aHKP-21366$179.95 -
On Sale
HK VP9SK Compensator with Rail Adapter
HKP HK Parts
Now: $59.21Was: $189.95Comp Weight™ With Rail Adapter - VP9SK - Steel HK Parts VP9SK Comp Weight™/compensator with Rail Adapter Installed is the perfect addition to your HK VP9SK firearm with our low profile, aggressive...HKP-21301Now: $59.21Was: $189.95 -
On Sale
HK MP5K Barrel - 10mm - Threaded 9/16x24 with 3 Lug
RCM
Now: $251.96Was: $279.95RCM HK MP5K 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5K with the RCM HK MP5K 10mm Barrel. This barrel is precision engineered for superior accuracy and durability, making it...HKP-21157Now: $251.96Was: $279.95 -
On Sale
HK UMP Extended Top Rail - Red
HKP HK Parts
Now: $38.22Was: $59.95HKP HK UMP Extended Top Rail - Red Nearly an 1" longer than the standard length top rail. This picatinny top rail allows the user to add an eotech, aimpoint, acog, etc. Made in the USA from aluminum...HKP-21049Now: $38.22Was: $59.95 -
Out Of Stock
HK USP Holster - Comp Carry RH - 9mm, .40 S&W, .45 ACP
Comp-Tac
$79.95Rail Mount Compensator & Comp Weight™ Compensator International Holster – Right Hand for HK USP .45/.40/9mm At last a custom made Comp-Tac International OWB holster for your HK pistol that allows you...HKP-20976$79.95 -
On Sale
Remington 700 - 30 MOA - Scope Base Short Action
Tactical Precision MFG
Now: $26.96Was: $76.99TPM Remington 700 Scope Base Long Action 30 MOA These tight tolerance, bomb proof scope rail allow the shooter to make best use of the scope's elevation adjustment for those long-range shots and...HKP-20765Now: $26.96Was: $76.99 -
On Sale
HK SL8 Adjustable Buttstock Piece - Used
H&K Heckler & Koch
Now: $7.46Was: $29.95H&K HK SL8 Adjustable Buttstock Piece - UsedHKP-20052Now: $7.46Was: $29.95 -
HK SL8 Adjustable Buttstock Piece - Black
H&K Heckler & Koch
$39.95HK SL8 Adjustable Buttstock Piece - Black Newer style that is black in color. Please note that the pic shows a gray unit but this offering is all black.HKP-17837$39.95 -
HK G36K Factory Blank Firing Adapter
H&K Heckler & Koch
$269.95H&K HK G36K Factory Blank Firing Adapter G36K Factory HK blank firing adapter. This adapter is date coded and comes complete with the spring clip installed. Compatible With: <HKP-16974$269.95 -
HK USP Full Size Magazine Floorplate - .40 S&W - 10 Round - Standard
H&K Heckler & Koch
$8.9510 Round HK USP .40 S&W Full Size Standard Magzine Floor Plate Compatible With: HK USP 40 Full Size S&W 10 Round MagazineHKP-01439$8.95