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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Out Of Stock
HK33, HK53, HK93 30 Round Magazine
AC-Unity
$19.95AC-Unity 30 Round HK33 Magazine The AC-Unity HK33 magazine is formed from an advanced polymer-resin/granulate that is lightweight and shock resistant. Metal parts are hardened and corrosion resistant...HKP-21636$19.95 -
HK MP5, SP5, PDW Rear Sight Drum
HKP HK Parts
$34.95HKP MP5, SP5 & PDW Rear Sight Drum Factory correct HK spec USA made MP5, SP5, MP5K PDW & HK94 rear sight drum. This is also the correct rear sight drum for the MP5K PDW or MP5K-N family of firearms...HKP-18202$34.95 -
HK VP9SK, P30SK Magazine Floorplate - 9mm - Extended - Rubberized
H&K Heckler & Koch
$22.95HK German VP9SK & P30SK Rubberized Extended Magazine Floor Plate VP9SK, P30SK factory German manufactured extended rubberized magazine floor plate fits all VP9SK & P30SK magazines. The perfect...HKP-18086$22.95 -
On Sale
HK USP, P30, HK45 Hammer Spring - Reduced Power - 11 lb.
Lazy Wolf
Now: $7.96Was: $9.95Lazy Wolf HK Reduced Power Hammer Spring - 11 lb. An exciting new offering as a joint collaboration from the widely renowned pistol smith Lazy Wolf Guns & HK Parts! This custom spring was designed...HKP-18147Now: $7.96Was: $9.95 -
Out Of Stock
HK MP5K, SP5K, SP89 Stock - Folding - 9mm
Choate
$199.95Choate HK MP5K, SP5K, SP89 Stock - Folding - 9mm US Made Each stock features the same quick, open steel housing and folding arm found on all HK stock offerings. Each stock is backed by the...HKP-00390$199.95 -
Heckler & Koch No Compromise Decal
H&K Heckler & Koch
$1.95Heckler and Koch No Compromise Decal Show your support for the HK 416 weapon System. HK shows no compromise as the worlds finest firearms manufacture the world over! SpecificationsHKP-17157$1.95 -
Out Of Stock
HK USP Magazine - 9mm - 15 Round
H&K Heckler & Koch
$64.95H&K 15 Round HK USP 9mm Magazine New factory-fresh & the latest HK production USP 9mm 15 round magazine. Compatible With: USP 9mm Full SizeHKP-00323-M$64.95 -
HK33, HK53, HK93, HK91, G3 Hex Buffer Screw - Front
HKP HK Parts
$0.69Enhanced Hex Style Buffer Screw New upgraded hex head style front buffer screw. Each buffer assembly uses 2 of these screws to affix the buffer to the back plate and central stock section. The old...HKP-17883$0.69 -
On Sale
HK Vertical Foregrip - Long - Picatinny
HKP HK Parts
Now: $19.96Was: $24.95HKP Vertical Grip - Picatinny Mount - Long This rock-solid grip is a must-have for anyone who uses a vertical grip. This is the only vertical grip that offers a built-in aluminum locking block for...HKP-15296Now: $19.96Was: $24.95 -
On Sale
HK USP, P30, HK45 Hammer Spring - Reduced Power - 10 lb.
Lazy Wolf
Now: $7.96Was: $9.95Lazy Wolf HK Reduced Power Hammer Spring - 10 lb. An exciting new offering as a joint collaboration from the widely renowned pistol smith Lazy Wolf Guns & HK Parts! This custom spring was designed...HKP-18132Now: $7.96Was: $9.95 -
HK Velcro Patch
H&K Heckler & Koch
$4.95Factory HK Black & Red Patch With Full Velcro Back Wear your pride in HK with this HK logo patch. Embroidered HK patch with a full velcro backing for fitment on range bags, hats, clothing, etc...HKP-17322$4.95 -
On Sale
HK USP Pistol Light, Laser Adapter - Mount
HKP HK Parts
Now: $11.21Was: $28.95HKP HK USP Pistol Light, Laser Adapter This is the flashlight adapter needed for all HK USP Full Size Pistols to attach an aftermarket light or laser to the bottom rail of the firearm since HK USP's...HKP-00960Now: $11.21Was: $28.95