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 MP5K, AP5-P Trigger Group
MKE
$479.95Century AP5-P, AP5-M Trigger Group This trigger group serves as a direct replacement for AP5-P, AP5-M, Zenith clones, and factory MP5K receivers. For customers needing compatibility with shelfed...HKP-21668$479.95 -
HK45 MOD 1 Threaded Barrel Compensator
HKP HK Parts
$179.95HK Parts MOD 1 Compensator for Threaded Barrel: HK45 The HK Parts MOD 1 compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and...HKP-21658$179.95 -
HK MP5, SP5 Slimline Handguard - M-LOK
HKP HK Parts
$29.95HKP MP5, SP5 Slimline M-LOK Handguard Once a rare find after HK discontinued it, the classic slimline M-LOK handguard returns as a U.S-made update. This new version features a redesigned pattern for...HKP-21472$29.95 -
HK416, MR223 Barrel - 5.56 / .223 - 14.5" - Threaded 1/2x28 - A5 Style
HKP HK Parts
$588.95H&K 416 A5 Converted Barrel - Threaded 1/2x28 These barrels began as standard A3 style but have been precisely machined with an A5-style relief cut to fit HK416 & MR223 A5 uppers. Now, you can have a...HKP-21449$588.95 -
HK USP Compact Compensator - .45 ACP - Threaded Barrel
HKP HK Parts
$189.95HK USPC .45 Cal Compensator for Threaded Barrel The will add a sleek and tactical look to your USPC .45. With the quick and easy addition of our compensator you will add plenty of benefits. This...HKP-20984$189.95 -
On Sale
HK SEF Skeletonized Binary Aluminum Selectors - For Left Hand Shooters
HKP HK Parts
Now: $44.59Was: $69.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum Skeletonized SEF skeletonized style selector lever set modeled after the HK style selector lever for the Franklin...HKP-20527Now: $44.59Was: $69.95 -
Out Of Stock
HK P2000, P2000SK Night Sight Set - HK09 - Green Front, Yellow Rear
Trijicon
$139.95Trijicon HK09 Yellow Rear & Green Front night sight set for HK P2000 & P2000SK pistols Trijicon Bright & Tough Night Sights are three-dot iron sights that increase night-fire shooting accuracy five...HKP-08800$139.95 -
B&T TP9, MP9 Extractor Spring
B&T Brugger & Thomet
$9.95B&T TP9, MP9 Extractor Spring Swiss-manufactured TP9 and MP9 extractor spring. Compatible With: B&T TP9, MP9HKP-17300$9.95 -
HK VP9SK, VP40SK Backstrap - Small - Gray
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Backstrap - Small - Gray New HK German manufacture. Compatible With: HK VP9SKHKP-18969$29.95 -
HK MP5K LS5 Trigger Group, Complete - Semi, Shelf
Lee Sporting
$549.95Lee Sporting LS5 Complete Trigger Group - MP5K Ergonomic upgrade to OEM grip. 4.3oz lighter than OEM trigger group. Housing made from MJF PA11 Nylon. Bespoke ejector lever CNC cut from 4140...HKP-20466$549.95 -
HK MP5K, SP89, Z-5P, Z-5K M4 Telescopic Stock
Choate
$239.95Choate M4 Telescopic Stock HK MP5K, SP89 and Zenith Models Z-5P, Z-5K The telescopic stock for the H&K MP5K and SP89 and Zenith Firearms models Z-5P and Z-5K replaces the existingHKP-19893$239.95 -
HK91, G3, PTR Clubfoot Stock - .308 Rifles - Green
Michaels Machines
$299.95US Michaels Machines Clubfoot Stock for HK G3, HK91, PTR-91 and Clones HK clubfoot stock comes fully assembled with both US and German HK parts. Includes:HKP-19667$299.95