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 CC9 Slide Cover Plate
H&K Heckler & Koch
$9.95H&K CC9 Slide Cover Plate Made in Germany by H&K, the slide cover plate for the CC9 pistol retains the firing pin assembly within the slide. Compatible With: HK CC9HKP-22135$9.95 -
HK P30S, P30SK Detent Pin Compression Spring
H&K Heckler & Koch
$4.95H&K P30S/P30SK Detent Pin Compression Spring Compression spring for the detent pin on H&K P30 series pistols equipped with a manual safety. Designed to provide proper tension and reliable function of the safety selector mechanism. Compatible...HKP-22030$4.95 -
On Sale
M-Lok Paraclip Sling Mount
Magpul
Now: $16.95Was: $19.95Magpul M-Lok Paraclip Sling Mount The M-LOK Paraclip Sling Mount is a steel clip-in sling mount for M-LOK compatible systems. It is constructed of high-grade, precision cast steel and has an extremely durable QPQ salt bath nitride finish. With a...HKP-21874Now: $16.95Was: $19.95 -
On Sale
HK MP5 Cocking Tube - Extrusion - 8" - Gunsmith Special
USA
Now: $19.95Was: $54.95HK MP5 8" Cocking Tube Extrusion - Gunsmith Special This 8" cocking tube extrusion is ideal for custom HK-style firearm builds, repairs, or refurbishments, providing a solid foundation for restoring or fabricating cocking tubes on HK MP5, G3, and...HKP-99061Now: $19.95Was: $54.95 -
HK P2000, USPC Magazine - .40 S&W - 12 Round - LEO Marked - Used
H&K Heckler & Koch
$69.95H&K 12 Round HK P2000/USPC .40 S&W Magazine - LEO Marked - Used All steel with rubberized floorplate with finger rest. Compatible With: HK USP Compact .40 Cal HK P2000 .40 Cal Will also fit the P2000SK .40 (will not fit flush)HKP-21781$69.95 -
Out Of Stock
B&T GHM Telescopic Stock Arm
B&T Brugger & Thomet
$40.00B&T GHM Telescopic Stock Arm Factory replacement telescoping stock arm for the GHM platform. Fits left or right side of stock. Compatible With: B&T GHMHKP-21754$40.00 -
Out Of Stock
B&T 5.56 Rotex-SF Titanium HUB Adapter
B&T Brugger & Thomet
$275.00B&T 5.56 Rotex-SF Titanium HUB Adapter The B&T Rotex-SF HUB is a durable mounting system compatible with all 1.375x24TPI "HUB" suppressors. The HUB easily threads into compatible suppressors and can be secured with a spanner wrench or...HKP-21713$275.00 -
HK G3 Incomplete Backplate - Painted
H&K Heckler & Koch
$29.95HK G3 Incomplete Backplate - Factory German G3 refinished backplate. A great replacement or spare to have around to replace your broken or worn out backplates. Please note you will need two rivets, nylon ring, recoil spring in order to...HKP-21541$29.95 -
On Sale
HK G36K, HK33 Compensator - KeyMicro - Threaded 15x1
JMAC Customs
Now: $86.95Was: $109.95JMAC 5.56 / .223 KeyMicro Compensator Threaded 15x1 for HK G36K and HK33 In order to use this device with a suppressor, it must be installed by a professional to ensure it is properly mounted and aligned. Do NOT shoot without checking alignment with bore...HKP-21257Now: $86.95Was: $109.95 -
On Sale
PTR Flat Tip Front Sight - Gen 2 - Orange
Blitzkrieg Components
Now: $75.95Was: $84.95Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight delivers a fast and precise aiming point with its conventional flat-tipped post and bright orange stripe. Designed for easy installation, it utilizes a roll pin...HKP-21103Now: $75.95Was: $84.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Eyelet Sling Adapter
HKP HK Parts
$89.95HK MR556, MR762 Eyelet Sling Adapter for Carrying Sling Eyelet sling adapter for HK MR556 and MR762 platforms. Designed to match RAL8000 and tanodized handguards, this adapter installs at the front of the rail to provide a secure sling attachment...HKP-21064-M$89.95 -
On Sale
HK45C, P30 International Holster - LH
Comp-Tac
Now: $63.95Was: $79.95Comp-Tac HK P30, HK45C International LH Holster The International is an Outside the Waistband (OWB) holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holster is perfect for competition...HKP-19611Now: $63.95Was: $79.95