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 Parts Kit - 10mm - Pistol Build
HKP HK Parts
$1,889.95HKP MP5K 10mm Pistol Build Kit MP5K 10mm complete pistol build kit. Featuring the latest in highest quality components for an unparalleled build. Equipped with a 9/16x24 3-lug threaded barrel to accept a wide variety of muzzle devices and suppressors...HKP-21533$1,889.95 -
HK G36 Flash Hider with Interface for Rotex
B&T Brugger & Thomet
$144.99B&T G36 (5.56/.223) Flash Hider with Interface for Rotex Compatible With: HK G36 HK93, HK33 5.56/.223 firearms threaded 15X1 RH Specifications: Made in Switzerland Threaded 15x1 RH Does not include face shimsHKP-21531$144.99 -
On Sale
HK MP5 Stock With Direct Fit Adapter
HKP HK Parts / Magpul
Now: $149.95Was: $189.95HK MP5 Stock With Direct Fit Adapter MP5 DT Magpul stock ready to install on any in-spec MP5 receiver or clone. We take our AR MP5 Adapter and attach it onto a mil-spec buffer tube before combining it with the new Magpul DT Carbine stock. This is a great...HKP-21402-MNow: $149.95Was: $189.95 -
B&T Angled Foregrip - Picatinny
B&T Brugger & Thomet
$71.99B&T Angled Foregrip - Coyote Tan - Picatinny Mount For those shooters who prefer an angled foregrip, this grip is the perfect solution. The lugs at the end of the grip assure a firm rest for the supporting hand. The grip can be mounted easily onto...HKP-21392$71.99 -
HK MP5K Trigger Housing - AR Match
Magpul
$349.95Magpul HK MP5K AR Trigger Housing This match-grade trigger housing is expertly crafted to elevate the performance of your HK MP5K. Our enhanced HK-AR Navy ambidextrous lower housing and Magpul MOE grip not only provide a modern aesthetic but also feature...HKP-21379-M$349.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Eyelet Sling Adapter
HKP HK Parts
$89.95HK MR556, MR762 Eyelet Sling Adapter for Carrying Sling Eyelet sling adapter for HK MR556 and MR762 platforms. Designed to match RAL8000 and tanodized handguards, this adapter installs at the front of the rail to provide a secure sling attachment...HKP-21064-M$89.95 -
HK A3 Buttstock Protective Cover - Parkerized
H&K Heckler & Koch
$19.95H&K A3 Parkerized Stock Protective Cover The perfect replacement part for all HK G3, HK33, and MP5 collapsible stocks issued with steel covers. Complete with locking spring clips welded in place.HKP-20649$19.95 -
HK Single Point Leather Sling - OD Green
HKP HK Parts
$49.95Single Point Leather Sling - OD Green Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...HKP-20163$49.95 -
HK45C, P30 International Holster - LH
Comp-Tac
$79.95Comp-Tac HK P30, HK45C International LH Holster The International is an Outside the Waistband (OWB) holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holster is perfect for competition...HKP-19611$79.95 -
HK G36 Complete Full Auto Slide
H&K Heckler & Koch
$24.95H&K HK G36 Complete Full Auto SlideHKP-16360$24.95 -
HK P30L Barrel - 4.45" - 9mm
H&K Heckler & Koch
$234.95Factory barrel for HK P30L 9mm pistols made by Heckler and Koch Features: Factory made in Germany 4.45" barrel caliber 9 x 19mm six-sided polygonal Cold hammer Forged CHF from strong steel with a black finish Stamped for both its manufacture location...HKP-01827$234.95 -
HK VP9SK, VP40SK Grip Panel Right Side - Large
H&K Heckler & Koch
$17.95H&K VP9SK, VP40SK Right Side Grip Panel - Large - Black New HK German manufactured. Left side large size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK HK VP40SKHKP-18301$17.95