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
B&T USW-G17 Conversion Kit
B&T Brugger & Thomet
$550.00B&T USW-G17 Conversion Kit Upgrade your Glock 17 with the B&T USW-G17 conversion kit, transforming it into a Universal Service Weapon for enhanced stability and control. This kit includes a folding stock for improved handling, an optics mounting...HKP-21733$550.00 -
HK G3 Front Sight Ring
H&K Heckler & Koch
$7.95H&K HK G3 Front Sight Ring Factory HK replacement front sight ring. Compatible With: HK G3HKP-21641$7.95 -
HK MP5SD, MP5K Locking Piece - 120 Degree - .40 S&W, 10mm
RCM
$44.95RCM HK MP5 & MP5K 40/10 SD 120 Degree Locking Piece Compatible With: MP5, MP5K MP5SDHKP-21524$44.95 -
HK91, G3 Extractor - Used
H&K Heckler & Koch
$6.85HK German HK G3, HK, 91 & PTR 91 .308 Extractor - Used Surplus HK German extractor. Fits all models of HK G3 style firearms and CETME's. Compatible With: HKG3 HK91 PTR models Clones and other custom builds CETME & C308'sHKP-21507$6.85 -
Out Of Stock
HK MR762 Factory Flash Hider - 15x1 RH
H&K Heckler & Koch
$54.95H&K HK MR762 Factory Flash Hider - 15x1 RH Factory flash hider with 15x1 right-hand threads. Perfect for completing a build or replacing a worn or missing part. Compatible With: HK MR762HKP-21481$54.95 -
BETA C-Mag 100 Round HK G36 Mag System
Beta C-Mag
$839.95100 Round Beta C-Mag for HK G36 These drums are designed with clear back covers to enable you to see your round count. This magazine is the top-of-the-line package from The Beta Company. This works in any weapon system that takes the...HKP-21205-M$839.95 -
On Sale
Remington 700 - 30 MOA - Scope Base Long Action -Tungsten
Tactical Precision MFG
Now: $38.95Was: $76.99TPM Remington 700 Scope Base Long Action 30 MOA These tight tolerance, bomb proof scope rail allow the shooter to make best use of the scope's elevation adjustment for those long-range shots and engagements with 30 MOA options and will match factory...HKP-20772Now: $38.95Was: $76.99 -
Out Of Stock
HK416, MR556 Assembly Wrench Tool
H&K Heckler & Koch
$699.95H&K HK 416 & HK MR556 Assembly Wrench Tool Factory HK German multi-tool for the HK416 and MR556. The perfect tool for a complete breakdown.HKP-20616$699.95 -
HK33 Cocking Tube - 11" - Left Hand
HKP HK Parts
$99.95HKP HK33 11" Left Hand Cocking Tube This is the one and only left handed cocking tube for the HK33 cocking tube made in the US. Made to the exact HK specifications as the factory HK33 German cocking tube. Overall length is 11".HKP-18892$99.95 -
Out Of Stock
$8.95 -
$39.95 -
Out Of Stock
HK G36 Magazine Conversion to AR-15 Magwell - RAL8000
H&K Heckler & Koch
$259.95HK G36 To AR15, M4 Magazine Conversion Magwell - RAL 8K Simply swap the magazine well from the G36 to this offering and you can then run AR15/M4 style magazine in your G36 or SL8/G36 conversion. Allows Use Of All AR15-M4 magazines in the G36 with this...HKP-17691$259.95