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 G36, SL8 Locking Push Pin for Handguards, Lowers, Magwells
GSG9
Now: $15.16Was: $18.95HK G36, SL8 Push Pin For Forearm, Magwell, & Lower Each push pin/locking pin retains the forearm, magwell, & lower to the upper receiver. Each G36 style firearm uses a total of 3X of these push pins...HKP-18221Now: $15.16Was: $18.95 -
HK416, MR556, HK417, MR762 Pistol Grip
H&K Heckler & Koch
$89.99HK Heckler and Koch's Pistol Grip with Storage - Black HK German factory pistol grip with a storage compartment in the bottom. It has a superior fit and feel to any other grip on the market. This is...HKP-22298$89.99 -
On Sale
HK MP5, HK90 Series Paddle Mag Release Bushing - Full Auto
MKE
Now: $2.08Was: $2.59MKE Magazine Release Bushing for HK MP5, MP5K and HK90 Firearms This part is for use in all HK90-series Heckler and Koch weapon systems and is used for installing a paddle mag release. This is notHKP-22283Now: $2.08Was: $2.59 -
Out Of Stock
HK MP5 Retractable Buttstock - 4 Position - RAL8000
H&K Heckler & Koch
$764.95HK German MP5 & HK SP5 A3 "F" Style Retractable Rear Stock - 4 Position - RAL 8K This German HK A3 retractable is the latest & greatest HK retractable German stock available. Now in the desirable RAL...HKP-21265$764.95 -
On Sale
M-LOK Rail Section - 7 Slot
Magpul
Now: $19.76Was: $21.95Magpul M-LOK 7 Slot Rail Section Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted...HKP-19569Now: $19.76Was: $21.95 -
HK P30 Tactical Magwell - Low Profile - Steel
HKP HK Parts
$74.95HKP HK P30 Tactical Low Profile Magwell - Steel Low profile, every day carry magwell for the HK P30 pistol. The low profile mag-well is designed for the average every day P30/P30L owner. That would...HKP-18544-M$74.95 -
On Sale
HK VP9, VP40, P30, P30L, P2000 Mag Pouch - Twin Paddle
Comp-Tac
Now: $64.31Was: $77.95Comp-Tac HK VP9, HK VP40, HK P30/P30L, HK P2000 Twin Paddle Mag Pouch The Comp-Tac Twin Magazine Paddle pouch is an outside the waistband holder that carries two magazines attached together. Designed...HKP-18398Now: $64.31Was: $77.95 -
Out Of Stock
HK UMP, USC Recoil Buffer - Heckler and Koch
H&K Heckler & Koch
$9.95HK German USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear and replacement item and a must-have for spare parts. Compatible With:HKP-00594$9.95 -
HK91, G3 Barrel Chamber Flute Cleaning Brush
H&K Heckler & Koch
$25.95Heckler and Koch New Chamber Flute Brush for HK91 and HK G3 7.62x51 / .308 This brush is a must-have for cleaning the chamber flutes on a HKG3 or HK91-style firHKP-00500$25.95 -
HK91, G3 20 Round Magazines - Shooter Value - 36 Pack - Alloy
H&K Heckler & Koch
$244.95HK 91, G3, PTR Shooter Pack - 36 Pack of 20 Round Alloy Magazines Compatible With: HK G3 HK91 PTR Century ArmHKP-16905$244.95 -
Out Of Stock
HK417, MR762, G28 Adjustable Buttstock Set
H&K Heckler & Koch
$599.95Heckler and Koch HK G28 Fully Adjustable Stock for MR762, HK417, G28 The hard to find elusive HK G28 adjustable stock kit complete with the upgraded parts needed to convert a stock MR762 or HK417 to...HKP-16761$599.95 -
HK MP7 Piston Ring
H&K Heckler & Koch
$9.95HK German MP7A1 Piston Ring For Gas Piston New HK German MP7 piston ring. A high wear & tear item. Works on all HK MP7 models. Each ring is sold individually. 3X are needed for each piston. We...HKP-17426$9.95