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 VP9 Gen 1 V2 Rail Mount Compensator
HKP HK Parts
Now: $68.96Was: $169.95HKP HK VP9 Gen 1 V2 Rail Mount Compensator *DO NOT USE COMPENSATOR WITH A THREAD PROTECTOR INSTALLED ON THE BARREL. Doing so will result in damage to your firearm and compensator.* Specifications: Length: 4 1/4 inches Height: 2 1/2...Now: $68.96Was: $169.95 -
On Sale
HK G36, MP7, MP5 Complete Poster Set
H&K Heckler & Koch
Now: $7.46Was: $24.95H&K HK G36/MP7/MP5 Complete Poster Set Specifications: MP5 Parts Diagram: Height- 24" Width- 36" G36: Height- 24" Width- 18" MP7: Height- 24" Width- 18"Now: $7.46Was: $24.95 -
Out Of Stock
HK VP9 Micro Comp - Vented - Threaded 13.5x1 - Left Hand
HKP HK Parts
$29.95HKP 9mm Vented Micro Comp - Threaded 13.5x1 LH The HK Parts Micro Comp & Thread Protector is designed to be lightweight and functional both as a compensator and thread protector. This light weight micro comp can easily attache to the end of any...$29.95 -
HK MP5, MP5K Thread Protector - 9mm - 1/2x28 RH
HKP HK Parts
$14.95HKP/H&K MP5/K 9mm Thread Protector - Threaded 1/2x28 RH This US-made thread protector is specifically designed for HK MP5, MP5K, and threaded barrel applications. Ideal for MP5, MP5-N, and MP5K-N style barrels, it is the factory-correct protector for...$14.95 -
Out Of Stock
HK G36 Magazine - 30 Round
Magpul
$27.95Magpul 30 Round HK G36 5.56/.223 Magazine The PMAG 30G Maglevel (5.56 NATO / .223 Remington) is a durable, lightweight, highly reliable 30-round polymer magazine for the HK G36 series of firearms. Including the SL8 conversions that now use G36 magazines...$27.95 -
HK90 Series Sear and Trigger Axle
H&K Heckler & Koch
$1.99HK Sear & Trigger Axle For 90 Series- Used Surplus Condition HK German used sear and trigger axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .197 inches (5.0mm). A great spare and must have spare part for anyone...$1.99 -
HKP 9mm Vented Micro Comp - Threaded 1/2x28 RH
HKP HK Parts
$29.95HKP 9mm Vented Micro Comp - Threaded 1/2x28 RH The HK Parts Micro Comp and Thread Protector is designed to be lightweight and functional as both a compensator and thread protector. The HK Parts Micro Comp easily attaches to the end of any factory spec...$29.95 -
HK Spring Clip
USA
$1.95Replacement Spring for HK style push pin - Small A must have replacement item to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in...$1.95 -
Semi Auto Shelf For Receiver - Billeted
$19.95Semi Auto Shelf For Receiver - Billeted HK Semi Auto Shelf milled from one solid billet to HK's factory specifications (no castings here). This is the needed receiver shelf that is welded to the receiver to allow the use of the clipped & pinned...$19.95 -
HK USPC, P30 Magazine Adapter
X-Grip
$15.95X-Grip HK USPC/P30 Magazine Adapter The XGRIP HKUSPC is a new patent pending OEM factory accessory for the HK USP Compact that enhances the versatility, look, and feel of the gun. Features: Versatility: Size of a Compact, capacity of a Full-size The...$15.95 -
HK P30, P2000 Combat Defensive Action Upgrade For LEM 4.1 Pistols
H&K Heckler & Koch
$89.95H&K HK P Series Combat Defensive Action Upgrade For LEM 4.1 Pistols Found on all (European CDA) variant 4.1 models. This drop in LEM upgrade kit is a great trigger upgrade that reduces the trigger pre-travel by about 5mm or 1/3 of the original...$89.95 -
HKP 12 Round HK45C, HK USPC .45 ACP Magazine
HKP HK Parts
$79.95HKP 12 Round HK45C, HK USPC .45 ACP Magazine HK Parts magazine extension +4 adds 4 additional rounds to the HK45C, 8 round magazine. Each unit is then fully assembled as a 12 round HK45C magazine. Ideal for competitive shooters, concealed carry or for...$79.95