Parts

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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  • New - KCI Glock 50-Round 9mm Drum Magazine - Black - HKP-14321 KCI Glock 50-Round  9mm Drum Magazine
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    KCI Glock 50-Round 9mm Drum Magazine

    KCI

    $69.95
    KCI Glock 50-Round 9mm Drum Magazine 50 round 9mm drums for firearms designed to feed Glock double stack 9mm magazines.  Perfect for Glock pistols, Glocks chassis systems, and PCCs (pistol caliber carbines). CLEARANCE ITEMS ARE FULLY FUNCTIONAL...
    HKP-14321
    $69.95
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  • New - HKP HK VP9/VP40 Tactical Low Profile Magwell - HKP-17802-M HK VP9, VP40 Magwell - Low Profile - Tactical
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    HK VP9, VP40 Magwell - Low Profile - Tactical

    HKP HK Parts

    $44.95 - $59.95
    HKP HK VP9/VP40 Tactical Low Profile Magwell Low Profile, every day carry magwell for the HK VP9/VP40 pistol. The low profile mag-well is designed for the average every day VP owner. Whom would like the enhancements and competitive advantage a magwell...
    HKP-17802-M
    $44.95 - $59.95
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  • New - HKP HK MP5 .22 Dual Magazine Clamp - HKP-20856-M HK MP5 .22 Dual Magazine Clamp
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    HK MP5 .22 Dual Magazine Clamp

    HKP HK Parts

    $32.95
    HK MP5 .22 Dual Mag Clamp/Coupler The MP5 .22 magazine grip or dual magazine clamp. Fits all MP5  .22  magazines. Holds two magazines together for ease of use and easy access to 2 magazines. This is the way to go if you want to have multiple...
    HKP-20856-M
    $32.95
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  • New - SB Tactical HK MP5 .22LR Pistol Stabilizing Brace - HKP-21226 HK MP5 Pistol Stabilizing Brace - .22LR
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    HK MP5 Pistol Stabilizing Brace - .22LR

    SB Tactical

    $149.95
    SB Tactical - HK MP5 .22LR Pistol Stabilizing Brace The SBT5-22 Pistol Stabilizing Brace® enhances your HK MP5 .22LR with an integral, side-folding polymer endplate. The SBT5-22 gives you all of the advantages of a pistol with improved control by...
    HKP-21226
    $149.95
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  • New - HKP Chamber Face Brush For All Barrels - HKP-00140 HK MP5, HK90 Series Barrel Chamber Face Cleaning Brush
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    HK MP5, HK90 Series Barrel Chamber Face Cleaning Brush

    HKP HK Parts

    $25.99
    HKP Chamber Face Brush For All Barrels This brush was specifically designed to clean those hard-to-reach nooks and crannies in the barrel face.  Threaded to fit all standard 8/32 US cleaning rods. Compatible With: HK91, G3, PTR HK33, HK53, HK93 HK...
    HKP-00140
    $25.99
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  • New - MP5, SP5 - A2 Fixed Stock-Black - HKP-02314 HK MP5, SP5 Stock - A2 Fixed
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    HK MP5, SP5 Stock - A2 Fixed

    Michaels Machines

    $179.95
    HK MP5, SP5 Stock - A2 Fixed - US Made Each stock counts as one US-made compliant part. Perfect for that build where you US-made component is required for compliance. This is the finest US-made MP5 stock as it includes a rubberized backplate to mitigate...
    HKP-02314
    $179.95
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  • Used - HK German Butt Stock Push Pin - HKP-00076 HK MP5, HK90 Series Buttstock Push Pin - Large
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    HK MP5, HK90 Series Buttstock Push Pin - Large

    H&K Heckler & Koch

    $8.95
    HK German Butt Stock Push Pin Each large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. These are great replacement or spare parts to keep on hand as they fit all of the 90-series firearms below. The large push...
    HKP-00076
    $8.95
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  • New - HKP HK VP9/VP9SK, HK VP40 Ultra Match Spring Set - HKP-17222 HK VP9, VP9SK, VP40 Spring Set - Ultra Match
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    HK VP9, VP9SK, VP40 Spring Set - Ultra Match

    HKP HK Parts

    $19.95
    HKP HK VP9/VP9SK, HK VP40 Ultra Match Spring Set Ultra Match drop-in spring kit will give your VP9, VP40 an even smoother, crisper, and lighter pull that helps promote consistent match-grade accuracy, and control, by dropping the trigger pull of your...
    HKP-17222
    $19.95
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  • New - H&K 15 Round HK VP9SK/P30SK 9mm Magazine - Black - HKP-18496 HK VP9SK, P30SK Magazine - 15 Round -  9mm
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    HK VP9SK, P30SK Magazine - 15 Round - 9mm

    H&K Heckler & Koch

    $49.00
    HK VP9SK & P30SK 9mm - 15 Round Magazine New German HK manufacture 15 Round 9mm P30SK, VP9SK mag. New factory fresh German HK manufacture. Compatible With: HK VP9SK HK P30SK
    HKP-18496
    $49.00
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  • New - HKP HK VP9 9mm Holosun Mount Optics Plate #2 - HKP-19690-M HK VP9 Optic Plate #2 - Trijicon RMR, Holosun, Swampfox - Red Dot Pistol Mount
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    HK VP9 Optic Plate #2 - Trijicon RMR, Holosun, Swampfox - Red Dot Pistol Mount

    HKP HK Parts

    $39.95
    HKP HK VP9 9mm Holosun Mount Optics Plate #2 The finest aluminum mounting solution for your HK VP9 Series Optic Ready model. New solid billet machined aluminum optics plate. Each plate is CNC machined from a solid billet of ordnance grade aluminum,...
    HKP-19690-M
    $39.95
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  • Used - H&K SEF Long Axle Selector Lever For Polymer Trigger Housings - HKP-01105 Long Axle Selector Lever - SEF, 0,1 Trigger Housings
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    Long Axle Selector Lever - SEF, 0,1 Trigger Housings

    H&K Heckler & Koch

    $24.95
    HK SEF Longer Axle Selector Lever For The Polymer SEF Type Grips Or Trigger Housings - Used This is the factory-correct selector lever for SEF or SEF-style semi-auto-style trigger packs and grip frames. These are pulled from German HK SEF trigger...
    HKP-01105
    $24.95
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  • New - HKP Front Sight Blade - HKP-17551
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    HKP Front Sight Blade

    HKP HK Parts

    $3.95
    HKP Front Sight Blade New US manufactured HK front sight blade. New US made. Compatible With: All HK front sight towers/triple frames.
    HKP-17551
    $3.95
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    $3.95
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