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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On Sale
HK VP40 MatchWeight w/o Picatinny Rail
MatchWeight
Now: $69.95Was: $194.99Match Weight HK VP40 w/o Picatinny Rail The 2-piece compensator attaches with ease and only takes a few minutes to install. The compensator bolts onto your gun using two small screws, allen key included. A Match Weight Compensator adds both style and...HKP-19901Now: $69.95Was: $194.99 -
HK USP Rear Night Sight - Tru-Dot Tritium
Meprolight
$59.95Meprolight HK USP Tru-Dot Tritium Rear Night Sight Tritium rear night sight for USP pistols. Self-illuminated and maintenance-free, it provides consistent visibility in low-light conditions without the need for batteries. The U-shaped rear with dual...HKP-19735$59.95 -
Out Of Stock
HK MP5, HK33, HK53, HK93, HK91, G3 Trigger Housing - 3 Position Navy Style - Clipped and Pinned
H&K Heckler & Koch
$449.95H&K MP5, 93/53/33, G3/91 (9mm, 40/10, 5.56/.223, 7.62/.308) 3 Position Navy Style Universal Trigger Housing - Clipped & Pinned Introducing the new 3 Position trigger housing, designed for versatility and performance across multiple applications...HKP-19712$449.95 -
HK416, MR556 Muzzle Break - Procomp - 1/2x28
Surefire
$109.95SureFire Procomp (5.56/223) Muzzle Brake - Threaded 1/2x28 The advanced SureFire ProComp 556 muzzle brake fits M4/M16 weapons and variants with 1/2x28 muzzle threads. It significantly reduces both recoil impulse and muzzle rise, allowing the weapon to...HKP-19666$109.95 -
On Sale
HK 45 Fiber Sight - Red
Trijicon
Now: $57.95Was: $68.95Trijicon HK 45 Fiber Sight - Red Trijicon's Fiber Sights are great for competition and carry alike. The sight bodies are machined and phosphated steel to provide exceptional durability that will hold up under heavy use. For wicked fast acquisition, the...HKP-19388Now: $57.95Was: $68.95 -
HK MR762 Drop Safety Catch Pin
H&K Heckler & Koch
$4.95H&K HK MR762 Drop Safety Catch Pin Compatible With: HK MR762HKP-16617$4.95 -
Out Of Stock
HK P9S Barrel - 9mm
H&K Heckler & Koch
$899.95H&K HK P9S 9mm Barrel No longer made or available. Last call on this rare and no longer made offering. We have the last of these barrels to ever be offered.HKP-17655$899.95 -
$11.99 -
HK Mark 23 Secondary Recoil Compression Spring
H&K Heckler & Koch
$19.95H&K HK Mark 23 Secondary Recoil Compression SpringHKP-16642$19.95 -
$19.95 -
HK P30SK Grip Panel Left Side - Small
H&K Heckler & Koch
$17.95H&K P30SK Left Side Grip Panel - Small - Black Compatible With: HK P30SKHKP-18074$17.95 -
HK P30, P30L Control Latch
H&K Heckler & Koch
$8.95New HK German Control Latch For HK P30, P30L Pistols. Compatible With: HK P30 HK P30LHKP-02600$8.95