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 VP9, P30 Magazine Floorplate - 9mm, .40 S&W - 10 Round
H&K Heckler & Koch
$8.95Heckler and Koch Rubberized Floor Plate for HK VP9, VP9SK, VP40, P30, P30L, and P30SK HK German rubberized factory floor plate. Compatible With:HKP-01616$8.95 -
On Sale
HK MP5, HK91, G3, HK33, HK93 Optic Mount - Windowed
MFI
Now: $112.46Was: $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...HKP-02708Now: $112.46Was: $124.95 -
On Sale
HK VP9 Series Trigger Pull Spring Set
Lazy Wolf
Now: $15.96Was: $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...HKP-19515Now: $15.96Was: $19.95 -
Out Of Stock
HK MP5, HK90 Series Forearm Sling Pin - Quick Detach Attachment
HKP HK Parts
$37.95HKP Quick Detach Sling Attachment Sling Pin - Small The small push pin is used to retain the forearm to the receiver on the HK90 series of firearms. The QD sling pin is a great replacement item as it...HKP-18071$37.95 -
On Sale
HK P30SK, P2000SK Magazine Sleeve
X-Grip
Now: $12.76Was: $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...HKP-00910Now: $12.76Was: $15.95 -
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...HKP-01425$6.95 -
On Sale
HK MP5SD Rubber Handguard - HKP
HKP HK Parts
Now: $144.46Was: $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 ShrHKP-17400Now: $144.46Was: $169.95 -
On Sale
HK MP5, AP5 Firing Pin Spring
MKE
Now: $3.91Was: $4.88HK MP5, AP5 Firing Pin Spring The MKE firing pin spring is compatible with all MP5, AP5, AP5-P, MP5K, and .40/10 variants, as well as most in-spec clones. The firing pin is one of the most...HKP-22485Now: $3.91Was: $4.88 -
On Sale
HK Cheek Piece
AC-Unity
Now: $31.97Was: $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...HKP-20153Now: $31.97Was: $39.95 -
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 installatioHKP-18438$114.95 -
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 battleHKP-17678$59.99 -
Thread Protector - 9mm - 13.5x1 - LH
H&K Heckler & Koch
$39.95H&K 9mm Thread Protector - Threaded 13.5x1 LH This German HK manufactured 9mm tactical threaded barrel protector fits all HK 9mm threaded barrels that are 13.5x1 metric LH twist...HKP-00919$39.95