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, MP5K Dual Magazine Clamp - 9mm - HKP
HKP HK Parts
$49.95HKP MP5, MP5K, SP5, SP5K 9mm Dual Magazine Clamp HKP dual magazine clamp for twice the rounds exactly where you need them. This is also a great way to swap between two different types of ammo, like FMJ and JHPs or super and subsonic rounds. ...HKP-21667$49.95 -
HK Pistol Field Cleaning Kit - 9mm / .357 SIG
H&K Heckler & Koch
$54.95H&K HK 9mm Pistol Field Cleaning Kit This is a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Compatible With: 9mm .357 SIG Includes: Saf-T-Clad Cleaning Rod Accessory Adapter Section #8-32 Patch...HKP-01244$54.95 -
Out Of Stock
HK33, HK53, HK93 Magazine - 40 Round - Used
H&K Heckler & Koch
$80.00HK33, HK53, HK93 Magazine - 40 Round - Used - Genuine German HK HK Factory German 40 round surplus magazine. This factory magazine is long since out of production and is made from aluminum, steel and polymer. Used condition. A rare find and only...HKP-19761$80.00 -
TF1913 Pistol Stabilizing Brace - Side-Folding - Picatinny
SB Tactical
$159.99SB Tactical TF1913 Side Folding Pistol Stabilizing Brace - Picatinny Features: Complete assembly, ready-to-install Advanced steel hinge design locks in both folded and extended positions Pull-through design offering quick deployment Rigid polymer...HKP-19776$159.99 -
On Sale
HK VP9L/VP9 Match Lever - International Holster - Comp Carry
Comp-Tac
Now: $44.21Was: $81.95Comp-Tac HK VP9L/VP9 Match International Comp Carry Holster - Lever At last a custom made Comp-Tac international OWB holster for your HK pistol that allows you to have the rail mount compensator, comp weight, or match weight installed. Manufactured by...HKP-20112-MNow: $44.21Was: $81.95 -
M-LOK Vertical Foregrip - MVG
Magpul
$22.95M-LOK MVG® VERTICAL GRIP M-LOK SLOT SYSTEM The Magpul MVG M-LOK Vertical Grip is a high-quality M-LOK foregrip that attaches securely to M-LOK compatible handguards. It is made of durable polymer and provides a comfortable and secure grip for...HKP-17321$22.95 -
HK416, MR556 Magazine - 30 Round - Maritime
H&K Heckler & Koch
$94.95Heckler and Koch HK416, MR556 30 Round Maritime Magazine - Multiple Color Options Designed to provide optimum ammunition feeding for any M16/M4/AR15-type weapon, the Heckler & Koch 30-round Steel Magazine can be used in any...HKP-21169-M$94.95 -
HK416, MR556 Ejection Port Cover - FDE
H&K Heckler & Koch
$59.95HK German HK 416, MR556 Ejection Port Cover In FDE HK manufactured newer polymer style cover assembly found on the latest HK 416 & MR556's. This item can also be used on other AR15 style projects to enhance the build with the finest ejection port...HKP-18062$59.95 -
HK91, G3, HK33, HK93 Grip for Metal Frames - Surplus
H&K Heckler & Koch
$7.95H&K HK G3, HK 91 Grip for Metal Frames - Surplus Used in surplus condition. Each item is used in good shape and will clean up nicely with a little bit of TLC and some attention. A great value for the price. Compatible With: HK G3 HK...HKP-16207$7.95 -
HK USP Match Trigger Conversion Kit
H&K Heckler & Koch
$189.95H&K HK USP/USP Tactical Match Trigger Conversion Kit The HK USP Match Trigger Kit is a true drop-in kit for USP full-size pistols. This will fit all of the HK German USP 9mm, 40 & .45 Cal pistols. The match trigger kit will adjust the trigger...HKP-01039$189.95 -
HK417, MR762 Magazine - 10 Round
H&K Heckler & Koch
$59.00Heckler and Koch HK MR762, HK417 10 Round Magazine - German HK Genuine HK German 10 round MR762 magazine. Compatible With: MR 762 HK 417 HK G28HKP-02590$59.00 -
HK MP5, HK94 Optic Mount - Extended - Low Profile - Windowed
MFI
$124.95MFI MP5, 94 Extended Low Profile Scope Mount-Windowed MFI's newest addition to the line-up is a full inch longer, measuring 6.5 inches and featuring windows to view the factory serial number through the mount. This option is the longest, low-profile...HKP-16225$124.95