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 Handguard - Wide - M-LOK
HKP HK Parts
$49.95HKP HK MP5 M-LOK Wide Forearm MP5 Wide handguard with M-LOK slots to quickly and easily attach any M-LOK style accessory. This is a great option for those that want to keep a factory MP5 look and...HKP-21437-M$49.95 -
On Sale
HK P30, P30L, P30SK Straight Trigger
Grayguns
Now: $76.00Was: $95.00Designed by Keith Hosey, Grayguns’ director of gunsmithing, the HK P30 Straight Trigger is a first-of-its-kind in the market. It fits all P30 variants. The trigger reduces over-travel while featuring...HKP-19748Now: $76.00Was: $95.00 -
On Sale
HK MP5, SP5, AP5 Handguard - SL
Magpul
Now: $42.46Was: $49.95Magpul HK MP5, HK SP5, HK AP5 SL HandguardHKP-19309-MNow: $42.46Was: $49.95 -
On Sale
HK MP5, SP5K Extractor Spring - 9mm
MKE
Now: $5.56Was: $6.95MKE HK MP5, MP5K - Extractor Spring - 9mm Extractor spring for all 9mm HK variants including clones. This spring is the #1 repair & replacement item for the MP5 and MP5K family of firearms...HKP-22481Now: $5.56Was: $6.95 -
HK MP5, HK94, SP5 Handguard - M-LOK, Picatinny Rails
UTG PRO
$199.95 - $239.95UTG HK MP5 PRO Handguard with Upper Picatinny Mount - M-LOK Made in the USA. Compatible With: HK MP5 HK94HKP-20739-M$199.95 - $239.95
HK VP, USP, P30, P2000, HK45 Magazine Release Spring
H&K Heckler & Koch
$3.95Heckler and Koch Magazine Release Spring for all HK Pistols Compatible With: VP9HKP-01814$3.95
HK MP5, SP5K Firing Pin Spring
H&K Heckler & Koch
$9.95HK Heckler & Koch HK94, MP5 Spring - Firing Pin German Fits all of the MP5, SP5, SP5K, MP5K 9mm and 40/10 Variants including MP5, 94 clones. The firing pin is one of the most common repair and...HKP-00062$9.95Out Of Stock
HK MP5, SP5, MP5K, SP5K Magazine - 15 Round - 9mm
H&K Heckler & Koch
$99.95Heckler and Koch German MP5, MP5K, SP5, SP5K - 15 Round Magazine Brand new factory fresh German HK 15 round curved magazine. Each magazine is stamped 9X19mm and is a new HK German production...HKP-02409$99.95
HK VP9, P30 Magazine - 20 Round - 9mm
H&K Heckler & Koch
$64.95Heckler and Koch 20 Round HK VP9 Magazine New HK German manufactured & factory fresh production. Each factory HK magazine holds 20 rounds for use in all VP9, P30, P30L, P30S 9mm Models. Each...HKP-20861-M$64.95On Sale
HK MP5K Vertical Grip - VFG M-LOK
HKP HK Parts
$31.84 - $49.95HKP HK MP5K Vertical Grip VFG M-LOK Our VFG for the MP5K platform is now M-LOK compatible. The perfect combination to install lights or lasers. M-LOK slots are integrated on both sides to make it a...HKP-20737-M$31.84 - $49.95
HK MP5 Armorer's Manual - 90 Pages
H&K Heckler & Koch
$19.95H&K Heckler and Koch HK MP5 Armorer's Manual - 90 Pages Table of Contents History of Heckler and Koch General InformationHKP-00101$19.95
HK VP9, VP40 Tactical Magwell - EDC
HKP HK Parts
$59.95HKP HK VP9 & VP40 EDC Tactical Magwell Our newest and greatest EDC magwell was redesigned for much faster and more reliable mag reloads. With a much larger funnel area, it guides you to the correct...HKP-20331-M$59.95