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
HK51, PTR PDW Fixed Stock
PTR
Now: $239.96Was: $299.95PTR Fixed Stock for HK51 and PTR PDW 7.62x39 and 7.62x51 / .308 Each stock is constructed of new U.S. & German HK parts. This stock also counts as one U.S. 922r compliant part. Perfect for those...HKP-02408Now: $239.96Was: $299.95 -
HK91, G3 Bolt Group, Complete - Full Auto - Used
H&K Heckler & Koch
$259.95Heckler and Koch Factory German Full Auto Bolt Group - Complete Used for HK G3, HK91, and PTR Everything you need as a spare or a direct replacement of your existing bolt group. This bolt group is a...HKP-00356$259.95 -
On Sale
Maglula UZI Magazine Loader, Unloader
Maglula
Now: $24.71Was: $29.95Maglula UZI Magazine Loader, Unloader Each part is made to load and unload your 9mm UZI magazines in seconds. This will allow you to do more shooting and less loading. With this loader, magazines can...HKP-14547Now: $24.71Was: $29.95 -
On Sale
HK MP5, SP5 Optic Mount - Raised - Trijicon MRO
HKP HK Parts
Now: $86.03Was: $134.95HKP HK MP5/SP5 Raised Trijicon MRO Optic Mount The HKP Raised MRO Optic Mount was designed to give the shooter full view of both the MRO and the factory sights. The MRO mounting base is elevated...HKP-21891-MNow: $86.03Was: $134.95 -
On Sale
HK P30L Holster - Lightcomp™
Comp-Tac
$55.97 - $71.96Comp-Tac HK P30L Lightcomp™ Holster Custom Comp-Tac OWB holster designed exclusively for your Lightcomp™ equipped P30L. Features: Made specifically for use withHKP-21498-M$55.97 - $71.96 -
HK MP5K Folding Stock with Adapter
$269.95German Folding Stock with HK Parts Adapter - MP5K German folding stock with MP5K HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum...HKP-19550$269.95 -
HK P7M8, P7M10, P7M13 Night Sights
Meprolight
$109.95Meprolight P7M8, P7M13, & P7M10 Night Sight Front & Rear Set Features: Unequaled Light Performance Brightest Night Sights AHKP-01905$109.95 -
HK USPC, USPCT Barrel - .45 ACP - 4.46" - Threaded 16x1 LH
H&K Heckler & Koch
$301.95H&K USPC .45 ACP Barrel - Threaded 16x1 LH This H&K USPC .45 ACP barrel features a threaded 16x1 LH design, ideal for enhancing your firearm. Made from cold hammer-forged steel with polygonal...HKP-00320$301.95 -
HK45 Compact, USP Compact Recoil Spring Assembly
H&K Heckler & Koch
$105.95Recoil Spring Assembly Complete With Captive Spring, Buffer, and Guide Rod A must-have spare part for your HK compact .45 pistol. New HK German factory fresh manufacture. Compatible With: USPHKP-01457$105.95 -
Out Of Stock
HK91, G3 Shell Deflector - Weld On
H&K Heckler & Koch
$18.95New HK German G3, 91, PTR91 Steel Case Deflector - Weld On This steel weld-on addition for the G3 military rifle was developed to help fellow soldiers from hitting each other with hot spent brass and...HKP-12747$18.95 -
HK MP5, G3, HK33, PTR, SP5 Night Sight Set
Meprolight
$109.00Meprolight HK MP5, G3, 33, PTR, SP5 Night Sight Set Meprolight produces a bright green night sight available for Heckler & Koch sub guns and rifles. These tritium night sight inserts are a...HKP-02564$109.00 -
HK MP5, MP5K Bolt Head, Complete - F-Style
H&K Heckler & Koch
$499.95MP5 & HKSP5, MP5K & SP5K F Bolt Head Complete - HK German This part will fit all HK 9mm rifles and MP5 pistols. This is the latest HK production and generation of bolt heads available. These are...HKP-00130$499.95