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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Out Of Stock
HK53, HK51 Handguard - Full Length
H&K Heckler & Koch
$59.95H&K HK53/HK51 Handguard - Full Length H&K German manufactured HK51 and HK53 polymer handguard. This handguard is the proper length to cover the extended portion of the trunnion found on the HK53 and...HKP-00468$59.95 -
HK33, HK53, HK93 Firing Pin - Titanium
HKP HK Parts
$49.95HK93, 33, 53 Firing Pin - Titanium A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK 93, HK33 & HK53 weapon system. Get the lightest, strongest...HKP-17769$49.95 -
On Sale
HK33, HK93 Optic Mount - 212.5mm - Low Profile - Extended Picatinny Rail
MFI
Now: $170.96Was: $189.95MFI 8.5 Inch Mounting Rail For HK 93, 33, Style Receivers The MFI extended scope rail is a quick and easy solution to add a Picatinny top rail to your HK receiver without modifications. The...HKP-01829Now: $170.96Was: $189.95 -
Out Of StockOn Sale
HK416, MR556 ARC-Fire with Geissele Trigger - 3-Position - Ambi Controls
AS Designs
Now: $559.95Was: $689.95HK416, MR556 A4 3-Position ARC-Fire with Geissele*** Trigger and Ambidextrous Controls AS Designs' ARC-Fire (Active Reset Clutch) trigger is an innovative take on forced reset triggers. The trigger...HKP-22435Now: $559.95Was: $689.95 -
Out Of Stock
HK91, G3, PTR Magazine - 10 Round - Alloy
H&K Heckler & Koch
$37.95H&K HK91, G3, MSG90 10 Round Magazine - Alloy This part counts as 1 US-made part for 922r compliance for HK rifles. Manufactured by HK and converted to ten round capacity in the United States using...HKP-22418$37.95 -
HK417, MR762A4 Bolt Catch, Release - Ambi
H&K Heckler & Koch
$69.95Heckler and Koch MR762 A4 Bolt Catch/Release - Ambi Factory ambidextrous bolt catch lever for the MR762 A4. The A4 variant of the MR762 introduced ambi controls for the bolt catch/release not...HKP-21960$69.95 -
On Sale
HK90 Series S1 Curved Trigger - Skeletonized
HKP HK Parts
Now: $43.96Was: $68.95HKP 90 Series S1 Curved Trigger - Skeletonized - USA The HK Parts Skeletonized S1 curved 90 series trigger is expertly engineered for exceptional performance and reliability. It fits all 0, 1, SEF,...HKP-22180-MNow: $43.96Was: $68.95 -
HK416 Gas Block Assembly Tool
Nefarious Arms
$94.95Nefarious Arms HK 416 Gas Block Assembly Tool A Nefarious Arms creation for those that like to service or replace their 416 gas block. This assembly tool will effortlessly help you assemble or...HKP-21273$94.95 -
Out Of Stock
HK G36, SL8 Front Sight Screw - Extended - Dual and Single Optics
USA
$5.95Single Optic Front Sight Screw - G36 - Extended This is a required part if you want to install either the dual or single optic. Compatible With: HK G36<HKP-20894$5.95 -
On Sale
HK VP Series Curved Trigger - Red
Lazy Wolf
Now: $114.71Was: $134.95Lazy Wolf Guns Curved Trigger for the HK VP Series In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 and VP40 handguns. The drop in VP9 series trigger...HKP-19152Now: $114.71Was: $134.95 -
HK VP9 Stand Off Device
HKP HK Parts
$109.95HKP HK VP9 Stand Off Device The HK Parts VP9 standoff is designed to keep the slide in battery to allow discharge when the firearm is pressed against or comes into contact with an object. It is an...HKP-19143$109.95 -
HK VP9 Ledge Straight Eight Sight Set for Suppressor - Optics Ready
Heinie
$205.95Heinie Optics Ready HK VP9 Ledge Straight Eight Sight Set for Suppressor This sight set features our rear Ledge design. The military inspired sight design combines the best features of our Classic...HKP-19998$205.95