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 Handguard Conversion - SD Style
HKP HK Parts
$299.95HKP HK MP5K SD Handguard Conversion Transform your MP5K into a stunning MP5KSD with our revolutionary MP5K SD handguard conversion! This cutting-edge drop-in handguard is expertly designed to give...HKP-22201$299.95 -
Out Of Stock
HK MR762 A4 Handguard - Complete
H&K Heckler & Koch
$349.95Heckler and Koch HK MR762 A4 Complete Handguard Factory HK handguard with a 12 o’clock Picatinny rail and M-LOK slots at 3, 6, and 9 o’clock for mounting optics and accessories. Includes dual QD...HKP-21972$349.95 -
HK MR762 A4 Charging Handle
H&K Heckler & Koch
$199.95H&K MR762 A4 Charging Handle Upgrade your MR762 or HK417 style rifle with this factory H&K ambidextrous charging handle, engineered for smooth, reliable operation from either side. Built to Heckler &...HKP-21967$199.95 -
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:HKP-21781$69.95 -
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...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,...HKP-21541$29.95 -
Out Of Stock
HK417, G28 Patrol Handguard - RAL8000
H&K Heckler & Koch
$1,268.95H&K HK 417/G28 Patrol Handguard - RAL 8000 Anodized Genuine HK 417/G28/MR762 patrol handguard anodized in RAL 8000. Compatible With: HK 417 HK MR762 G28HKP-21516$1,268.95 -
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...HKP-21257Now: $86.95Was: $109.95 -
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...HKP-21064-M$89.95 -
On Sale
HKP Hat -Snapback - Flat Brim - OSFM - Black and Red
HKP HK Parts
Now: $10.09Was: $19.95HKP Flat Brim Snapback Hat - OSFM - Black & Red Get your hands on some of our premium hats! Features: Official HKP merchandise 100% cHKP-20716Now: $10.09Was: $19.95 -
HK MP5 Trigger Housing - SEF Navy - Clipped and Pinned - .40 S&W, 10mm - USED
H&K Heckler & Koch
$99.95HK MP5 40/10 SEF Navy Style Housing - Clipped & Pinned - USED A perfect upgrade for your HK MP5 40/10 build. This is the only SEF style housing available for the MP5 40/10 family of firearms. Each...HKP-20618$99.95 -
HK416, MR556 Super Modular Handguard - 10.5" - M-LOK
Geissele
$499.95Geissele 10.5" M-LOK Handguard for HK416 The super modular rail HK416 MK15 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK...HKP-20327$499.95