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 MP5 Binary Trigger Group - Navy - Engraved
HKP HK Parts / FA Franklin Armory
$1,299.95HKP HK MP5 Navy Binary Trigger Group - Engraved 3 Position Navy style Engraved Pictograph– HK Binary Trigger Group Our latest and greatest binary trigger group freshly delivered with a factory HK...HKP-21000-M$1,299.95 -
HK VP9 Optic Plate - Shield Sights - Red Dot Pistol Mount
HKP HK Parts
$49.99HK VP9 Optics Mount -Shield Sight Each plate is CNC machined from the best quality billet steel, deburred, tumbled and Cerakoted for the ultimate in durability and appearance. Each unit comes with 2...HKP-20796$49.99 -
HK MP5 Optic Mount - RMR - Rear Sight
HKP HK Parts
$97.95HK MP5- RMR Optic Mount: The mounting solution to properly mount your RMR directly to the rear sight base on an MP5 or any other receiver that utilizes the same style rear sight base. The mount is...HKP-20506$97.95 -
On Sale
T65 Rifle Parts Kit - Gas Piston - Vintage Taiwanese
Other
Now: $674.96Was: $1,119.95Taiwanese T65 Gas Piston Rifle Parts Kit - Vintage We have a limited number of these super rare gas piston rifle parts kits. Each kit was used in Central & South America during active military...HKP-19676Now: $674.96Was: $1,119.95 -
HK416, MR556 Upper Gas Block for 10.4" Barrels - Vented
H&K Heckler & Koch
$167.95H&K Heckler and Koch Complete Vented Upper Gas Block for HK MR556 and HK416 10.4" Barrels New HK German manufacture newestHKP-18056$167.95 -
Out Of Stock
HKP 9mm Knurled Micro Comp - Threaded 1/2x28 RH
HKP HK Parts
$29.95HKP 9mm Knurled Micro Comp - Threaded 1/2x28 RH The HK Parts Micro Comp & Thread Protector is a sleek, functional solution for enhancing your 9mm pistol's performance. Designed to be lightweight and...HKP-21124$29.95 -
On Sale
HK SP5K Side-Folding Brace - Skeletonized
HKP HK Parts / SB Tactical
Now: $195.46Was: $229.95Side Folding Pistol Stabilizing Brace with HK Parts Adapter - HK MP5K, SP89, SP5K & Clones The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Available...HKP-21056Now: $195.46Was: $229.95 -
HK33, HK53, HK93 A2 Fixed Buttstock - Surplus
H&K Heckler & Koch
$249.95Surplus - Fixed Stock - HK93,33,53 HK93 Surplus Stock - Black comes with a matching buttpad. Ready to install on your HK or clone rifle. Last remaining units. Once all are gone there will be no more...HKP-19075$249.95 -
HK MP5, MP5K Optic Mount - Raised - Picatinny
HKP HK Parts
$164.95HKP HK MP5/MP5K Raised Universal Optic Mount The HKP Raised Picatinny Optic Mount is designed for maximum versatility, providing a true universal mounting solution for red dot optics. Our optic...HKP-22219-M$164.95 -
On Sale
HK VP9SK Bench Mat
HKP HK Parts
Now: $9.77Was: $13.95Gunsmithing, Cleaning Bench Mat - HK VP9SK, VP9SK Tactical This isn't your ordinary gun cleaning mat. Show your pride for your HK VP9SK firearm while using our high quality neoprene rubber backed and...HKP-18091Now: $9.77Was: $13.95 -
Out Of Stock
HK USP Match Trigger and Trigger Stop
H&K Heckler & Koch
$45.95HK USP Match Trigger & Trigger Stop The match trigger overstep screw is threaded M2.5 X .45 for those who want to use the screw in other applications or pistol triggers. Compatible With:HKP-01971$45.95 -
HK91, G3 Buttstock Set with Backplate - OD Green - Hand Picked
H&K Heckler & Koch
$84.95Original G3, 91, PTR German Army Used Surplus O.D. Green Stock Set - Complete Factory HK German Production. Each stock set is used but in perfect working order. Each set was hand picked and the best...HKP-18237$84.95