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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
HK VP40 Conversion Barrel - .40 S&W to 9mm - Threaded - 1/2x28
RCM
Now: $193.46Was: $214.95RCM HK VP40 to 9mm Conversion Barrel - Threaded - 1/2x28HKP-21676Now: $193.46Was: $214.95 -
Out Of Stock
HK MP5, SP5, HK94 A3 Retractable Stock - Factory - Like New
H&K Heckler & Koch
$799.95H&K Heckler and Koch Factory A3 Like New Buttstock for HK MP5 and HK94 The original Navy-style German HK MP5 A3 stock is a rare find, as it's no longer in production and has been replaced by the MP5...HKP-21644$799.95 -
R3D 2.0 Night Sights - Green
XS Sights
$127.95XS Sight Systems R3D 2.0 Night Sights - Green Their second-generation R3D night sights are engineered to give you a brighter stronger set of sights. Easily install their sights with a set that...HKP-21454$127.95 -
On Sale
HK MP5K, SP5K Binary Trigger Group - SEF Ambi - BFSIII - 9mm - Contoured
FA Franklin Armory
$956.22 - $1,549.95Franklin Armory HK MP5K - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this the fastest...HKP-20005-M$956.22 - $1,549.95 -
HK USP Grip Wrap - Granulate - .45 ACP
Talon Grip
$19.99TALON Grip - USP Full Size .45 - Granulate Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you...HKP-20280$19.99 -
HK VP9, P30 Magazine - 27 Round - Red - 9mm
HKP HK Parts / Heckler & Koch
$99.95Heckler and Koch and HK PARTS 27 Round Magazine Complete with Red Extension for 9mm HK VP9 and HK P30 HK Parts +10 alloy magazine extensiHKP-19840$99.95 -
Out Of Stock
HK P7 PSP, P7M8 Magazine Floorplate - 9mm - 8 Round
H&K Heckler & Koch
$11.95HK P7 PSP/P7M8 Magazine Floorplate New HK German manufacture. Compatible With: PSP P7M8HKP-01330$11.95 -
On Sale
HK P30L Tactical Barrel - .40 S&W - 5.06" - Threaded 9/16x24 RH
RCM
Now: $202.50Was: $225.00RCM HK P30L .40 S&W Tactical Barrel - Threaded 9/16x24 RH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest...HKP-16713Now: $202.50Was: $225.00 -
HK USP, 45, 45C New Style Bobbed Hammer
H&K Heckler & Koch
$59.95HK USP, USPC & HK45 & HK45C Bobbed Hammer - New Style This has the shorter, lower-profile "bobbed" hammer. The new style hammer has a cutout for 2005 and later production. Compatible With:HKP-01589$59.95 -
Out Of Stock
HK416, MR556 Handguard Front Folding Sight - Brown
H&K Heckler & Koch
$599.99H&K MR556/416 9" Quad Rail With Flip Up Front Sight - Brown Latest production HK 416A5, MR556 9" quad rail with integrated built-in front flip up sight. Latest upgraded design with the laser markings...HKP-17680$599.99 -
HK416, MR556 Bolt Carrier
H&K Heckler & Koch
$397.95H&K HK MR556/416 Factory Bolt Carrier With The Newer Style Bolt Retaining Key This is the factory one-piece carrier that has the out-of-battery disconnect and the bolt retaining latch assemblies...HKP-02718$397.95 -
HK416, MR556, HK417, MR762 Disconnector
H&K Heckler & Koch
$18.95Heckler and Koch HK416, MR556, HK417, MR762 Disconnector for Lower New HK German manufactured part. This is the latest generation of HK disconnector for the HK MR and HK HK416 and HK417 family of...HKP-02674$18.95