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 MP5 Magazine Spring - 30 Round - Enhanced
HKP HK Parts
$8.95HKP HK MP5 30 Round Enhanced Magazine Spring US-made enhanced 30-round magazine spring for the MP5. Provides improved feeding reliability and consistent spring tension. Compatible With: HK MP5/KHKP-22157$8.95 -
HK91, G3 Full Length Handguard - M-LOK
AIM
$99.95HK 91 RIFLE LENGTH HANDGUARD- M-LOK This sleek streamlined design is an ultra low profile handguard with generous mounting space to accept all M-LOK accessories. Superior ergonomics and simple, drop-in installation makes this the best HK pattern rail on...HKP-18176$99.95 -
HK VP9, P30 Magazine, Complete - 22 Round
HKP HK Parts
$79.95HKP HK Parts 22 Round 9mm Complete Magazine for HK VP9 and HK P30 Drop in magazine ready to go! HK Parts takes an existing 17 round magazine and a +5 magazine extension to assemble them into a working 22 round magazine. ***Magazines may...HKP-19295$79.95 -
HK VP9, USP, HK45 Handgun Grip
Hogue
$11.95Hogue Grips Universal HK Handgun Grip The Hogue Grip hugs the contours of your gun. Molded from their modern" soft" but durable rubber" Handall grip sleeves are easily installed and provide years of dependable service. Soft textured rubber...HKP-02519$11.95 -
Out Of Stock
HK USP Magazine - 20 Round - 9mm
HKP HK Parts
$89.95HKP 20 Round HK USP/Tactical 9mm Magazine HK USP 9mm Tactical +5 magazine extension paired with a new full-size HK USP 9mm & USP 9mm Tactical 15-round magazine. This part is ideal for competitive shooters, concealed carry, or everyday use while at...HKP-21094-M$89.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Cerakote
Zenith
$48.95Zenith 30 Round HK MP5 Magazine Features: Cerakote finish - Many colors to choose from All steel construction Round count indicator holes on the rear of the magazine Stainless steel follower Reinforced feed lips High-tensile compression...HKP-20832-M$48.95 -
HK33, HK53, HK93 Magazine - 40 Round - 5.56 / .223, 300 BLK
H&K Heckler & Koch
$119.95HK Heckler and Koch 40 Round Professionally Refinished Magazine for HK33, HK53, HK93 HK Factory German 40 round surplus magazine that has been professionally disassembled, inspected, bead blasted, cerakoted and cured to look as close to new as possible...HKP-19797$119.95 -
HK USP Night Sight Set - Fully Adjustable - Tactical - Green
Meprolight
$159.99Meprolight HK USP Fully Adjustable Tactical Night Sight Set - Green Meprolight Tritium night sights for HK USP pistols are fully adjustable and the recommended tactical night sight of choice. The front and rear sight have tritium green dots and a raised...HKP-01721$159.99 -
HK MP5, HK94 Firing Pin
H&K Heckler & Koch
$49.95H&K MP5, HK94, MP5K, SP89 & SP5K Firing Pin - German Compatible With: MP5 HK94 MP5K SP89 SP5KHKP-00061$49.95 -
HK Vertical Foregrip - RAL8000
H&K Heckler & Koch
$64.95H&K Vertical Foregrip - RAL 8K Each Vertical Grip features the factory HK markings & HK's unique locking system. Rotating the knob at the base of the grip to engage/disengage the Picatinny locking piece allows the user to install/remove the...HKP-17689$64.95 -
HK VP9K Magazine - 15 Round
H&K Heckler & Koch
$54.95H&K 15 Round HK VP9A1 K Magazine Made from premium stainless steel and equipped with a red, anti-tilt polymer follower for easy identification, these 15-round magazines offer exceptional strength and dependability. The numbered witness holes on the...HKP-21650-M$54.95 -
HK91, G3 Handguard - M-LOK
HKP HK Parts
$159.95 - $169.95HK G3, HK91 & PTR Low Profile M-LOK Forearm The HKP M-LOK tactical handguard installs easily to provide a solid base to mount M-LOK accessories. Designed from the ground up by HK enthusiasts with tactical shooting requirements in mind...HKP-17265-M$159.95 - $169.95