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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$55.95 -
Out Of Stock
HK G36 Trigger Group, Complete - 3 Position Navy 0,1,F
H&K Heckler & Koch
$899.95New HK German G36 3 Position Navy (0, 1, F) Trigger Group Complete Perfect for the HK SL8-G36 semi-conversions.HKP-00629$899.95 -
Out Of Stock
HK G36, SL8 Front Sight Screw - Dual and Single Optics - Extended
H&K Heckler & Koch
$9.95Dual/Single Optic Longer Front Sight Screw - HK German HK German manufacturer. This is a required part if you want to install either the dual or single optic. Compatible With: HK G36 HK SL8HKP-00801$9.95 -
HK G36, SL8 Optic Mount, Carry Handles
B&T Brugger & Thomet
$139.95B&T HK G36/SL8 Optic Mounting Rail B&T optic mounting rail for HK G36, SL8 HK carry handles, Spanish Military version. Specifications: Height: 23.7 mm Width: 26.9 mm Weight: 113 g Material: Aluminum Treatment: Hardcoat anodizedHKP-16867$139.95 -
On Sale
HK UMP Barrel - 9mm - Threaded 1/2x28 with 3 Lug
GSG9
Now: $259.95Was: $349.95GSG9 UMP (9mm) Barrel - Threaded 1/2x28 - 3-Lug This barrel is the perfect addition to your UMP conversion as it includes the 3-lug and threaded 1/2x28 end of the barrel for use with suppressors or factory HK 3-lug flash hiders. Specifications: Threaded...HKP-02281Now: $259.95Was: $349.95 -
HK21E, HK23E Recoil Rod Guide Ring
H&K Heckler & Koch
$19.95HK 21E & HK 23E Recoil Rod All Steel Guide RingHKP-02063$19.95 -
Out Of Stock
HK21E, HK23E, MSG90 Optic Mount - Quick Release Rail
Michaels Machines
$899.95HK21E/23E Or MSG90 Quick Release Rail Scope Mount Made in the USA of the best material and to factory HK specs. First time offered and exclusively here at HKPARTS.NET.HKP-01924$899.95 -
HK MP5, HK94, HK33, HK53, HK93 Stock - AR15 Style
HKP HK Parts
$197.95HKP HK 93/53/33 (5.56/.223) AR-15 Style Magpul Stock US manufactured AR15 to HK 93,33,53 series stock assembly with Magpul MOE stock. Each unit comes complete and ready to install on your HK 93,33,53 or HK94, MP5 firearm. Made from aircraft grade...HKP-16271$197.95 -
HK33, HK93 Barrel - 300 BLK - 16.1" - Threaded 5/8x24
RCM
$234.95NCM HK33/93 .300 BLK 16.125 Inch Barrel - Threaded 5/8x24 Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and cans in the 5/8x24 thread pitch. Although, this barrel is perfect for just about any .300 BLK...HKP-17392$234.95 -
HK MP5 Bolt Carrier - Full Auto - .40 S&W / 10mm
H&K Heckler & Koch
$339.95New HK German MP5 40/10 Factory F/A Bolt Carrier This is the latest and greatest version of the MP5 40 and MP5 10mm carrier. No longer in production or manufactured. Tungsten-filled German HK and the real deal.HKP-00452$339.95 -
Out Of Stock
HK MP5K, SP89 Trigger Group - SEF - Contoured - Clipped and Pinned
H&K Heckler & Koch
$0.00New HK German SP89, MP5K Semi Auto - Clipped & Pinned SEF Trigger Group Each unit includes the professionally converted SEF clipped and pinned housing and semi-auto-only trigger pack. All trigger groups include a new 3rd-generation 9mm ejector lever...HKP-01691$0.00 -
HK MP5K, SP89 Trigger Housing - SEF - Contoured - Push Pin - 9mm
H&K Heckler & Koch
$324.95H&K MP5K/SP89 9mm SEF Contoured Trigger Housing - Push Pin Upgrade your HK MP5K or SP89 with this SEF contoured trigger housing, featuring ergonomic finger grooves for enhanced handling. This factory push pin housing is manufactured by HK Germany,...HKP-16551$324.95