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, MP5K Cocking Handle - Extended
HKP HK Parts
Now: $31.95Was: $39.95HK MP5, MP5K Contoured Cocking Handle - Extended Enhanced extended cocking handle for the MP5 style of firearms. Each cocking handle offers twice the grabbing area for charging the firearm and each is made 100% from solid steel billet. Each item also...HKP-17149Now: $31.95Was: $39.95 -
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. Compatible With: MP5, SP5 MP5K,...HKP-02409$99.95 -
On Sale
HK MP5 Handguard - Wide - M-LOK
HKP HK Parts
$39.95 - $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 still have the ability to add vertical grips,...HKP-21437-M$39.95 - $49.95 -
On Sale
M-LOK Vertical Foregrip - Long
HKP HK Parts
Now: $19.95Was: $24.95HKP Universal M-LOK Long Grip This grip is by far the nicest grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. This is the only vertical grip out there that offers a built in aluminum...HKP-20680Now: $19.95Was: $24.95 -
On Sale
HK MP5, HK94, SP5 Handguard - Extended - M-LOK, Picatinny Rails
UTG PRO
$179.95 - $239.95UTG HK MP5 PRO Handguard with Extended Upper Picatinny Mount - M-LOK Made in the USA. Compatible With: HK MP5 HK94 SP5 AP5 MAC-5 clones may require custom fitment. Modified components are not eligible for return. In-spec clones & custom...HKP-20739-M$179.95 - $239.95 -
Out Of Stock
HK USPC, P2000 Magazine - 9mm - 13 Round
H&K Heckler & Koch
$49.00H&K HK 13 Round USPC/P2000 9mm Magazine Each magazine is a current HK German manufacturer. Brand new and factory fresh. Compatible With: HK USP Compact 9mm HK P2000 9mm Fits the P2000SK will stick out below the magwell when installedHKP-00312-M$49.00 -
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 magazine is marked with the factory 20 round witness...HKP-20861-M$64.95 -
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 Information Exterior Nomenclature Safety Check / Clearing Procedure Markings on the MP5 Major Variants (Model variants) Operator Use /...HKP-00101$19.95 -
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: VP9 VP9F VP9K VP9X VP9L VP9SK VP9 Tactical VP9 Tactical OR VP9 Match VP40 P30 P30L P30SK P2000 P2000SK USP USP Compact USP Compact Tactical USP Tactical HK45 HK45 Compact HK45...HKP-01814$3.95 -
On Sale
HK MP5, HK94 Case Deflector Rivet - US
HKP HK Parts
Now: $1.45Was: $1.95HKP MP5, HK94 Case Deflector Rivet Each case deflector will require 2 rivets to attach the case deflector to the receiver or flat. If you want the factory look and feel of doing it right these rivets are a must. These are a factory correct rivet that...HKP-18008Now: $1.45Was: $1.95 -
On Sale
HK VP9, VP40 Tactical Magwell - EDC
HKP HK Parts
$47.95 - $59.95HKP HK VP9 & VP40 EDC Tactical Magwell Our newest and greatest EDC magwell was redesigned for a much faster and more reliable mag reloads. With a much greater funneled area, it guides you to the correct position every time, resulting in no-look...HKP-20331-M$47.95 - $59.95 -
HK MP5 Trigger Pack - Full Auto - Complete - 9mm
H&K Heckler & Koch
$349.95H&K Heckler & Koch - HK MP5 Trigger Pack - Full Auto - Complete - 9mm German Each factory full auto trigger pack includes a new 9mm 3rd generation German ejector lever installed. We do NOT use Pakistani, MKE, or US-made ejector levers in our...HKP-00981$349.95