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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On Sale
HK P30L Barrel - 9mm - 4.45" - Non-Threaded
RCM
Now: $164.95Was: $206.25RCM HK P30L 9mm Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest replacement barrel for the HK P30L 9mm pistol, ideal as a spare or for...HKP-16686Now: $164.95Was: $206.25 -
HK P30L Barrel - .40 S&W - 4.45"
H&K Heckler & Koch
$234.95Heckler and Koch Barrel for P30L .40 cal pistol Factory German P30L .40 Cal 4.45" barrel perfect for replacement or for that project barrel. Features: 4.45 inches in length Cold-hammer forged six sided polygonal 9.84 inches twist...HKP-02411$234.95 -
HK VP9SK Grip Panel Left Side - Small - FDE
H&K Heckler & Koch
$25.95H&K VP9SK Left Side Grip Panel - Small - FDE New HK German manufactured. Left side small size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18962$25.95 -
HK VP9SK Locking Block Guide
H&K Heckler & Koch
$180.95H&K HK VP9SK Locking Block Guide Locking block guide complete, welded for frame on all HK VP9SK, VP40SK models. Compatible With: HK VP9SK HK VP40SK Does NOT fit the full size VP modelsHKP-18309$180.95 -
On Sale
HK VP40 International Holster - LH
Comp-Tac
Now: $43.95Was: $79.95Comp-Tac HK VP40 International LH Holster The International is an outside the waistband holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holsters is perfect for competition shooting,...HKP-17471Now: $43.95Was: $79.95 -
On Sale
HK33, HK93 2-Stage Trigger
Timney Triggers
Now: $349.95Was: $388.95Timney Trigger for - HK93, HK33 The Timney HK93 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost in accuracy.This offering comes complete with a Factory...HKP-20509Now: $349.95Was: $388.95 -
On Sale
HK416, HK MR556 M-LOK Handguard with Overgrip - 11" - Coyote Tan
B&T Brugger & Thomet
Now: $249.95Was: $365.00B&T M-LOK Handguard for HK416/MR556, 11" with "Overgrip" Free-Cut on the Top Rail B&T's one-piece 11" M-LOK handguard for HK416 and MR556 rifles. The handguard is an easy to install, direct replacement requiring no gunsmithing. The...HKP-20401Now: $249.95Was: $365.00 -
On Sale
HK VP9SK Grip Wrap for Medium Backstraps - Granulate
Talon Grip
Now: $16.95Was: $19.99TALON Grip - H&K VP9SK - Granulate Black - Medium Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and...HKP-20234Now: $16.95Was: $19.99 -
On Sale
HK21 Bolt Carrier - Stripped - Incomplete
FMP HK CONTRACT
Now: $387.95Was: $499.95FMP HK 21 Stripped Bolt Carrier New old stock stripped HK21 FMP Full auto bolt carrier. Missing the catch lever assembly (see pictures). May have storage marks or light rust on the unfinished bottom portion. Long since out of production and no longer...HKP-20034Now: $387.95Was: $499.95 -
Out Of Stock
HK UMP, USC, G36, SL8 Sear, Complete
HKP HK Parts
$14.95HKP HK Parts Complete Sear for HK G36, HK UMP, HK USC, and HK SL8 Made in the USA Compatible With: UMP USC G36 SL8HKP-19555$14.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Buttstock Release Lever - RAL8000
H&K Heckler & Koch
$29.95Heckler and Koch MR556, MR762, HK416, HK417 Buttstock Release Lever - RAL 8000 Factory buttstock release lever finished in RAL 8000 for HK MR556, MR762, HK416, and HK417 platforms. Designed as a replacement component for compatible collapsible stock...HKP-19339$29.95 -
$24.95