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 P7 PSP, P7M8 Magazine Follower
H&K Heckler & Koch
$24.95HK P7 PSP/P7M8 Magazine Follower Compatible With: PSP P7M8HKP-01331$24.95 -
On Sale
HK USPC Holster - Paddle - .45 ACP
Comp-Tac
$41.41 - $84.95Comp-Tac HK USPC .45 ACP Paddle Holster The Comp-Tac Paddle Holster is an all-Kydex outside the waistband holster that may be worn for competition, general use or concealed carry. The paddle is...HKP-18819-M$41.41 - $84.95 -
Out Of Stock
HK USP Slide Spider Grip Enhancer
ArachniGRIP
$19.87ArachniGRIP HK USP Slide Spider Grip Enhancer The Slide Spider is designed to assist new and practiced shooters alike, affected by weakened hand and/or grip strength, in operating the slide of their...HKP-18396$19.87 -
On Sale
HK P30SK Holster - Compensator
Odin Holsters
Now: $28.10Was: $79.95Odin Holsters HK P30SK Comp Weight™ Compensator Holster The P30SK Comp Weight™ Compensator holster is an outside the waistband that allows the HK Parts Comp Weight™ to be installed as well. For a...HKP-18842-MNow: $28.10Was: $79.95 -
Out Of Stock
HK G36 Catch
H&K Heckler & Koch
$14.95Heckler and Koch HK G36 Catch, Trip Lever for bolt catch contact on All G36 Lowers As the bolt carrier moves forward the bottom of the carrier contacts the releaser lever of the catch. The catch...HKP-01870$14.95 -
Out Of Stock
$49.95 -
HK91, G3 Buttstock Set with Backplate - Black - Used Good
H&K Heckler & Koch
$299.95Original G3, 91, PTR German Army Used Surplus Black Stock Set - Complete Factory HK German production. Each stock set is used but in perfect working order. Each set is in overall good condition...HKP-16205$299.95 -
HK33, HK53, HK93 Trigger Pack - 4 U.S. 922r Parts - Semi Auto
HKP HK Parts
$299.95Semi Auto Trigger Pack HK93,33 & Z43 Models - 4 US 922R Parts HK 93,33,53 & Zenith Z-43 Semi Auto Trigger Pack Complete. Each trigger group incorporates the following US made compliant parts...HKP-18003$299.95 -
HK MP5 Bolt Hold Open Axle Roll Pin - .40 S&W, 10mm
H&K Heckler & Koch
$8.95H&K MP5 40/10 Bolt Hold Open Axle Roll PinHKP-01634$8.95 -
On Sale
Adjustable Folding Stock 1/2 inch Spacer
Choate
Now: $5.57Was: $7.95Choate Adjustable Folding Stock 1/2 inch Spacer This spacer adds 1/2 inch to our HK Choate folding stocks that uses the adjustable length of pull spacer system. You can add up to 5 of these spacers...HKP-19032Now: $5.57Was: $7.95 -
On Sale
HK MP5, HK90 Series Night Sight System - Front and Rear
XS Sights
Now: $138.60Was: $153.99XS Front & Rear Night Sight System - HK Compatible With: HK MP5, 94 HK MP5K, SP89 HK 90 serHKP-00883Now: $138.60Was: $153.99 -
HK MP5, HK90 Series Extended Selector Lever - Left Side ESSL - Ambi Burst Trigger packs
H&K Heckler & Koch
$94.95Heckler and Koch Extended Selector Lever - Burst 3 Position Brand new, genuine German HK extended ambi left side safety selector with axis for all ambidextrous burst lowers. This is a LEFT side...HKP-16973$94.95