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 P30 Tactical Barrel - 9mm - 4.45" - Threaded 13.5x1 LH
RCM
$225.00RCM HK P30 9mm Tactical Barrel - Threaded 13.5x1 LH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK P30 9mm pistol,...HKP-16238$225.00 -
HK MP5K - LS5 Complete Trigger Group - Semi /Shelf
Lee Sporting
$549.95Lee Sporting LS5 Complete Trigger Group - MP5K Ergonomic upgrade to OEM grip. 4.3oz lighter than OEM trigger group. Housing made from MJF PA11 Nylon. Bespoke ejector lever CNC cut from 4140. Compatible With: HK PTR Dakota Tactical Other clones that...HKP-20466$549.95 -
HK MP5, MP5K, SP89, HK94 Trigger Pack - SEF Semi - 9mm - Enhanced 5 to 6 lb Trigger Pull
HKP HK Parts
$439.95HKP 9mm SEF Semi Trigger Pack - ENHANCED 5-6 LBS Trigger Pull These trigger packs start as a F/A pack and gets professionally converted to the BATFE specs so you can rest assured the trigger pack is done correctly and to spec. These refinished trigger...HKP-20312$439.95 -
HK G36, SL8 Red Dot Kit For Dual Optic
H&K Heckler & Koch
$899.95HK G36, SL8 Red Dot - Brand new HK German OEM Factory HK G36/SL8 top red dot. brand new with factory battery installed. This can be used to replace worn or broke dual optics as well as it could be made to fit as a stand alone optic with a little...HKP-19552$899.95 -
Navy Style - SEF - Trigger Group - HK SP5 - Clipped & Pinned
H&K Heckler & Koch
$579.95Navy Style - SEF - Clipped & Pinned Trigger Group - HK SP5 Ready to drop on your SP5 receiver. Great replacement for the 2 position ambidextrous trigger group. Each trigger group is comprised of genuine Heckler & Koch Products. Includes a match...HKP-19319$579.95 -
On Sale
HK VP9 Holster - Nano IWB
Blade-Tech
Now: $29.21Was: $59.95Blade-Tech HK VP9 Nano IWB Holster The Nano IWB holster is one of the most popular concealment holsters. It is ultra-thin, being constructed of the same tough materials we use on all our Classic handmade, custom and semi-custom holsters. It is made from...HKP-16933-MNow: $29.21Was: $59.95 -
HK417, MR762, G28 E1 Charging Handle - Extended - Ambidextrous
H&K Heckler & Koch
$209.95H&K HK MR762/417/G28 E1 Extended Ambidextrous Charging Handle HK German MR762/HK 417 extended charging handle. The unique release latch can be swapped from left to right sides to make each setup ambi friendly and modular. HK's own design boasts an...HKP-16599$209.95 -
HK P7 PSP Magazine Catch
H&K Heckler & Koch
$27.95HK P7 PSP Magazine Catch Compatible With: PSPHKP-01344$27.95 -
HK P7M10 Extractor
H&K Heckler & Koch
$81.95Heckler and Koch HK P7M10 Extractor Compatible With: HK P7M8HKP-01999$81.95 -
Out Of Stock
HK VP9, P30, HK45C Optic Sight TFX™ - Day and Night - Tritium Fiber - Green
Truglo
$139.95Truglo HK VP/45C/P30 TFX™ Tritium Fiber-Optic Day/Night Sights - Green Glowing bright both day and night, TFX sights are always ready. Illuminating elements are encased inside a virtually indestructible chemical and shock-resistant capsule and the...HKP-17654$139.95 -
HK P30 Conversion Barrel - .40 S&W to .357 SIG - Non-Threaded
RCM
$237.50RCM HK P30 .40 Cal S&W To .357 Sig Conversion Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the best barrel for the HK P30 .40 S&W. This ...HKP-17505$237.50 -
HK VP9, P30, HK45 Night Sight Set
Heinie
$199.95Heinie EZ-Lock LEDGE QWIK Straight Eight Night Sight Set These sights have a rear notch that is .156 wide. This wider rear notch allows for quicker acquisition of the front sight by showing more light on either side of the front. These new 3950L model...HKP-02124$199.95