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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Out Of Stock
HK VP9 Optic Plate #4 - DeltaPoint Pro, Eotech EFLX - Red Dot Pistol Mount
HKP HK Parts
$49.95HK VP9 Series Optics Plate#4 - Optic Mount - Leupold DeltaPoint Pro & Eotech EFLX - Steel The finest all steel mounting solution for your HK VP9 Series Opitc Ready model. New solid billet machined steel optics plate. Each plate is CNC machined from...HKP-19815$49.95 -
HK MP5K, SP89, SP5K Folding Buttstock - 9mm - HK Marked
H&K Heckler & Koch
$399.95HK Marked MP5K, SP5K, SP89 & MP5K-N, PDW Folding Stock This is the original "HK" logo marked HK factory stock, found on all HK German MP5K's or PDW's. Each stock is marked HK and uses the HK German backplate/buffer factory assembly. Overall Length is...HKP-00391$399.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 32 Round - 9mm
Overwatch Precision
$29.95Overwatch Precision 32 Round MP5 Variants 9mm Magazine The Overwatch Precision Polymer magazine is a 32-round 9mm polymer mag for HK MP5, SP5K, MP5K, SP5K, and factory spec HK MP5,MP5K style clones. Its unique and custom feed lip and follower...HKP-20102-M$29.95 -
HK USP9 Jet Funnel Magazine - 18 Round
H&K Heckler & Koch
$94.95Heckler and Koch 9mm 18 Round Jet Funnel Magazine for HK USP New style all black steel reinforced Jet Funnel 18 round USP 9mm magazine. This item can be used with or without the jet funnel magwell installed. Compatible With: USP USP Tactical USP...HKP-14549-M$94.95 -
HK MP5, MP5K, G3, HK93 Paddle Magazine Release - Extended - EMR
HKP HK Parts
$44.95HKP HK Parts Paddle Style Extended Magazine Release with EMR for HK MP5, HK G3, HK 33 and more A great addition to any paddle style mag release, such as those found on an HK. The extended mag release is machined from a solid billet of aircraft grade...HKP-17079$44.95 -
Out Of Stock
HK USP, VP9 Barrel O-Ring - 9mm
H&K Heckler & Koch
$4.95HK German 9mm Barrel O-ring The O-ring is a high-wear and replacement item. To save money - order 10 or more and get an additional $1 off per O-ring. Compatible with: HK 9mm barrels with O-ring groove HK USP, USP Compact, USP Tactical 9mm HK USP Elite...HKP-00908$4.95 -
HK VP9, VP9SK, VP40 Enhanced Support Sleeve
HKP HK Parts
$14.95 - $19.95HKP HK VP9/VP40 Enhanced Support Sleeve The support sleeve in the VP series pistols is a crucial component that allows for the removal of the slide plate, firing pin assembly, and other parts. The factory version is made from polymer, which can wear down...HKP-18677-M$14.95 - $19.95 -
HK USPC, P2000 Magazine Floorplate - 9mm - 13 Round - Flat
H&K Heckler & Koch
$22.95H&K HK USPC/P2000 9mm Magazine Flat Floor Plate USPC 9mm 13 round flat floor plate for the 9mm UPSC and P2000 magazine. This is a Heckler and Koch genuine part. Perfect for concealed carry or for a lower profile Compatible With: HK USP Compact 9mm...HKP-01122$22.95 -
HK Single Point Sling - HK Style - Black
HKP HK Parts
$34.95HK Single Point Sling in Black This is a very nice sling for the money. It also has quick detach buckles that allow quick changes and removal. Specifications: Composition: Thick, all-black, heavy-duty Style: Bungee-type design for...HKP-02644$34.95 -
UZI Recoil Spring
IMI
$14.95Uzi Recoil Spring Assembly Uzi factory IMI bolt carrier spring assembly complete. In perfect working order. Pulled from exc condition demilled Uzi firearms.HKP-19918$14.95 -
MFI Snap Sling Hook 1.25"
MFI
$4.95HK Style 1.25" Snap Hook For Sling This sling hook is designed for wider 1.25" width slings. Made in the USA, and is great for HK sling projects and spares. We offer the 1" and the 1.25" sling hooks for all your HK projects.HKP-01523$4.95 -
Replacement Screw Set for Red Dot Sight - RMR
USA
$1.95Replacement Screw Set For Trijicon RMR Set of 2 6-32 x 1/2" flat head socket cap screws with thread locker. Requires a 2mm allen head key. Replacement or spare set to mount your Trijicon RMR optic to a #2 optic mounting plate.HKP-20035$1.95