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 Bolt Carrier - Full Auto - .40 S&W, 10mm - USA
HKP HK Parts
$149.95HKP MP5K 40/10 Full Auto Bolt Carrier Machined completely from billet ordnance steel. This carrier is made to the latest specs and is Tungsten filled, and heat treated providing the finest American...HKP-18362$149.95 -
Out Of Stock
HK MP5K PDW Trigger Group, Complete - FBI - 9mm
H&K Heckler & Koch
$799.95HK Heckler and Koch 9mm Complete PDW FBI Trigger Group for HK MP5K This is a great upgrade and investment for your factory swing down MP5K or PDW (shown with an optional small push pin installed)...HKP-02699$799.95 -
Offset Picatinny Optic Mount - 45 Degree - Aimpoint Micro
B&T Brugger & Thomet
$129.95B&T Offset 45 Degree Mount For Aimpoint Micro - Picatinny In order to engage a target at close distance, a secondary optic without magnification is quite useful next to the primary scope, not only...HKP-18045$129.95 -
Out Of Stock
HK MP5, MP5K Magwell - Flared - 9mm
Haga Defense
$77.95Haga Defense Enhanced Flared Magwell for HK MP5 and MP5K 9mm The Haga Defense Enhanced Flared Magwell provides a larger funnel opening to aid magazine insertion on HK MP5 and MP5K 9mm platforms...HKP-22920$77.95 -
HK VP9SK, P30SK 15 Round Magazine Replacement Kit
H&K Heckler & Koch
$33.95Heckler and Koch 15 round Magazine Replacement Kit for VP9SK and P30SK Genuine HK magazine replacement kit for 15-round VP9SK and P30SK magazines. Use to refresh worn magazine components and restore...HKP-22854$33.95 -
Out Of Stock
HK MR556 A4 Handguard - RAL8000
H&K Heckler & Koch
$279.95Heckler and Koch MR556 A4 Handguard - RAL8000 This 10" factory H&K MR556 A4 handguard offers a lightweight, free-floating design that enhances accuracy and provides rock-solid mounting for...HKP-99491$279.95 -
HK VP9CC Clamping Sleeve, Front
H&K Heckler & Koch
$5.95HK VP9CC Front Clamping Sleeve Clamping sleeve for HK VP9CC platform. Compatible With: VP9CCHKP-22762$5.95 -
On Sale
HK G36 Mounting Rail Carry Handle - Portuguese Version
B&T Brugger & Thomet
Now: $109.46Was: $149.95HK G36 Mounting Rail Carry Handle, Portuguese Version Swiss-made B&T G36 mounting rail designed for the HKG36 carrying handle, based on the Portuguese military configuration.HKP-99446Now: $109.46Was: $149.95 -
On Sale
HK MP5K, SP5K Trigger Group - Single Stage - SSTG
Magpul
Now: $602.96Was: $669.95SSTG Magpul trigger group The Single Stage Trigger Group is a blend between the past and future. The trigger pack begins life as a factory German trigger pack before being professionally converted...HKP-22522-MNow: $602.96Was: $669.95 -
On Sale
WOOX Angled Grip - M-LOK - AFG
WOOX
Now: $80.06Was: $88.95WOOX M-LOK Angled Grip Compact angled foregrip for M-LOK handguards, built with a reversible dual-wall structure and checkered texture for a secure, consistent support-hand index.HKP-22465Now: $80.06Was: $88.95 -
On Sale
HK MP5, HK94 Handguard with LED Light -TL99 - PD Trade In - BLEMISHED
B&T Brugger & Thomet
Now: $337.62Was: $649.95B&T MP5 Handguard With LED Weapon Light -TL99 - PD Trade In - BLEMISHED SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AHKP-16901-BNow: $337.62Was: $649.95 -
On Sale
HK MP5, AP5 Front Sight Tower - UNFINISHED - BLEMISHED
MKE
Now: $16.85Was: $49.95MKE AP5, MP5 Front Sight Tower - UNFINISHED - BLEMISHED SOLD INDIVIDUALLY - UNFINISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMHKP-22220-BNow: $16.85Was: $49.95