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 MP5SD Rubber Handguard
HKP HK Parts
$169.95HK MP5SD Rubber Handguard Made in the USAFits: MP5SD 9mm, MP5SD .40, MP5SD 10mm Counts as 1 US made 922r compliant part. These are only compatible with the HK Parts shroud. If you have a German Shroud you will want to get the German Handguard. HKP-00136HKP-17400$169.95 -
HK P30SK, P2000SK Magazine Sleeve
X-Grip
$15.95VP9SK, P30SK and P2000SK - USPC/P2000 Mag Adapter X-Grip The XGRIP HK VP9SK, P30SK & P2000SK are patent pending OEM factory accessories for the HK VP9SK, P30SK, and P2000SK that enhance the versatility, look, and feel of the gun. The XGRIP...HKP-00910$15.95 -
Out Of StockOn Sale
Glock 19 +5 Magazine Extension Kit
Now: $14.96Was: $34.95Glock 19 +5 Magazine Extension Kit Designed to fit all Glock 19 models from Gen 1-5 Models. Each unit is fully machined from a solid billet of aircraft-grade aluminum that is fully hard coat anodized and set up for a lifetime of use. The unique...HKP-19224-MNow: $14.96Was: $34.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Pistol Grip with Storage
H&K Heckler & Koch
$59.99H&K Heckler and Koch Battle Grip with Storage for HK416, HK MR556, HK417, HK MR762, and HK G28 HK German V7 factory battle grip with storage compartment incorporated in the grip base. Compatible With: HK416, HK416-A5, MR556 HK417, HK MR762 HK...HKP-17678$59.99 -
HK91, G3 Rear Push Pin Reinforcement Weldment
PTR
$29.95HK91, G3, PTR, CETME Push Pin Reinforcement Weldment HK91/G3/PTR91 or CETME steel receiver flat weldment that is added to the rear of the receiver where the 2 large stock push pins install to reinforce this section of the receiver against damage or use...HKP-18224$29.95 -
HK VP9 Series Trigger Pull Spring Set
Lazy Wolf
$19.95Lazy Wolf Guns Duty/Defensive Carry Enhanced Trigger Pull Spring Kit Based on the Lazy Wolf Guns Design. We now have an intermediate drop in set of springs for the utmost in performance and reliability in ALL VP9 family pistols. Defensive carry,...HKP-19515$19.95 -
HK Cheek Piece
AC-Unity
$39.95AC-Unity HK Cheek Piece New production HK cheek piece for your fixed stock on your G3, HK91, PTR91, HK33, HK94, MP5 or HK94 rifle. Works on all HK style fixed stocks that have push pin retainer bushings in the stock. This will give you the proper cheek...HKP-20153$39.95 -
HK91, G3 Locking Piece #17 - 36 Degree
RCM
$49.99RCM HK G3 HK91 36 Degree Locking Piece #17 One of the best ways to slow down and tame that HK21. Can also be used for HK91 and G3 special projects such as suppressors, and heavier than normal loads. This is also the factory correct locking piece...HKP-02520$49.99 -
HK MP5, HK91, G3, HK33, HK93 Optic Mount - Windowed
MFI
$124.95MFI HK G3, 91, 93, 33 PTR & MP5 Scope Mount - Windowed This model is the same as the best-selling low-profile mount, only with added windows for extra weight savings and a viewing window to see the serial numbers on the MP5/94 series of...HKP-02708$124.95 -
HK USP, USP Compact Magazine Spring
H&K Heckler & Koch
$6.95H&K HK USP & USPC Magazine Spring HK recommends that for optimum performance, one should change out the magazine springs during regular maintenance intervals or when keeping the pistol magazines loaded for long periods. Compatible With: HK USP...HKP-01425$6.95 -
HK MP5K, SP5K Handguard - M-LOK
MI Midwest Industries
$114.95M-LOK Handgaurd for MP5K, SP5K, SP89 Firearms Features: Made in the USA, 922r Compliant Professional grade one-piece design Simple installation, includes all tools Mil-spec top rail Extremely lightweight design weighs only 2.6 oz with hardware Slim 1.6...HKP-18438$114.95 -
GSG-5, GSG5PK Magazine Spring - .22LR - 22 Round
GSG German Sports Guns
$4.95GSG 22 Round GSG-5 .22LR Magazine Spring A must-have replacement spare part as the mags are used or stored. Perfect for those who have weak feeding Promag GSG mags, as these mag springs will help get the mags running as they should. Compatible...HKP-14548$4.95