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 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 VP9SKHKP-18309$180.95 -
On Sale
HK VP9SK Holster - The Defender IWB, OWB- LH
L.A.G. Tactical
Now: $38.22Was: $59.95L.A.G. Tactical HK VP9SK The Defender IWB/OWB LH Holster The Defender is known for being lightweight and comfortable. The easily interchangeable belt loops take you seamlessly from your outside the...HKP-18717Now: $38.22Was: $59.95 -
On Sale
HK VP40 International Holster - LH
Comp-Tac
Now: $32.96Was: $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...HKP-17471Now: $32.96Was: $79.95 -
On Sale
HK MP5 2-Stage Trigger - .40 S&W, 10mm
Timney Triggers
Now: $228.83Was: $358.95Timney Trigger for MP5 .40 S&W, 10mm The Timney HK MP5 .40 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...HKP-20510Now: $228.83Was: $358.95 -
On Sale
HK416, HK MR556 M-LOK Handguard with Overgrip - 11" - Coyote Tan
B&T Brugger & Thomet
Now: $187.46Was: $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...HKP-20401Now: $187.46Was: $365.00 -
On Sale
HK VP9SK Grip Wrap for Medium Backstraps - Granulate
Talon Grip
Now: $12.74Was: $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...HKP-20234Now: $12.74Was: $19.99 -
On Sale
HK21 Bolt Carrier - Stripped - Incomplete
FMP HK CONTRACT
Now: $449.96Was: $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...HKP-20034Now: $449.96Was: $499.95 -
On Sale
HK MP5K Binary Pistol Build Complete Limited Edition Kit
HKP HK Parts
Now: $1,904.82Was: $2,987.95Limited Edition Parts Kit - MP5K With Binary Trigger Group Our limited edition parts kit will include the highly desirable Binary 3 position Navy trigger group with a universal style housing that...HKP-20025Now: $1,904.82Was: $2,987.95 -
On Sale
G36 Handguard HK German Original Style - Gray - Incomplete - Used
Now: $24.95Was: $49.95G36 Handguard HK German Original Style - Gray - Incomplete - UsedHKP-19773Now: $24.95Was: $49.95 -
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 G36HKP-19555$14.95
HK33, HK93, Barrel - 5.56 / .223 - 16" - 1 in 7 Twist Rate - RARE
H&K Heckler & Koch
$1,887.95HK33, HK93, Barrel, RARE 1 in 7 Twist Rate New HK93, 33 barrel featuring the uber rare 1 in 7 twist rate. The barrel features the factory pinned flash hider to achieve the non-SBR legal 16" overall...HKP-19344$1,887.95Out 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...HKP-19339$29.95