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 - H&K MP5 "Action 3" Bolt Group Complete - HKP-00129 HK MP5 Bolt Group - Complete - "Action 3"

    HK MP5 Bolt Group - Complete - "Action 3"

    H&K Heckler & Koch

    $0.00
    H&K MP5 "Action 3" Bolt Group Complete New HK German MP5 "Action 3" Bolt Group Complete. Includes the following: MP5 Action 3 Bolt head complete, MP5 Full Auto Bolt Carrier (newer F style), MP5 Firing pin, MP5 Firing pin spring, 100 MP5 Degree...
    HKP-00129
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    New - H&K SEF Grip Frame Clipped & Pinned With Finger Grooves - HKP-00165 Grip Frame - SEF - Clipped and Pinned - Finger Grooves

    Grip Frame - SEF - Clipped and Pinned - Finger Grooves

    H&K Heckler & Koch

    $0.00
    H&K SEF Grip Frame Clipped & Pinned With Finger Grooves New latest HK German manufactured SEF polymer grip frame. Each unit has been professionally clipped and pinned and set up for the welded on semi auto shelf style of firearm commonly found on...
    HKP-00165
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    New - H&K MP5, 53/33, G3 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Push Pin - HKP-16406 HK MP5, HK33, HK53, HK91, G3 Trigger Housing - SEF - Push Pin - Finger Grooves

    HK MP5, HK33, HK53, HK91, G3 Trigger Housing - SEF - Push Pin - Finger Grooves

    H&K Heckler & Koch

    $0.00
    H&K MP5, 53/33, G3 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Push Pin This SEF grip housing features classic finger grooves and is crafted for factory push pin receivers. It's perfect for replacing worn out or faded SEF grip frames. The...
    HKP-16406
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    New - H&K MP5-N Red Owners Manual - HKP-00103 HK MP5-N Red Owners Manual

    HK MP5-N Red Owners Manual

    H&K Heckler & Koch

    $0.00
    HK German MP5N Red Owners Manual New HK German MP5-N Operators Manual. A Great Item To Have On Hand For Reference As Well As A Collector Piece. 56 Pages Overall. Compatible With: HK MP5-N
    HKP-00103
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    New - H&K MP5, MP5K Bolt Head Complete - Action 3 - HKP-00131 HK MP5, MP5K Bolt Head - Complete - Action 3

    HK MP5, MP5K Bolt Head - Complete - Action 3

    H&K Heckler & Koch

    $0.00
    H&K MP5, MP5K Bolt Head Complete - Action 3 New and the latest manufacturer, just got a few in. They are rare and hard to find as they are now considered "restricted items" by HK. Each is a current HK produced bolt head complete. Perfect for the 9mm...
    HKP-00131
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    New - H&K MP5 SEF Contoured Semi-Auto Clipped & Pinned Trigger Group - HKP-00157 HK MP5 Trigger Group - Semi Auto SEF - Clipped and Pinned - 9mm

    HK MP5 Trigger Group - Semi Auto SEF - Clipped and Pinned - 9mm

    H&K Heckler & Koch

    $0.00
    H&K MP5 SEF Contoured Semi-Auto Clipped & Pinned Trigger Group HK German MP5, 94 Or Clone SEF Contoured Semi-Auto Clipped & Pinned Trigger Group Complete. Ready To Install On Your Semi Auto HK 9mm HK Or Clone. U.S 3rd Generation ejector lever.
    HKP-00157
    $0.00
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    New - H&K MP5 & 93/53/33 (9mm & 5.56/.223) 4 Position (0,1,3,F Pictogram) Grip Housing - Clipped & Pinned - HKP-00161 HK MP5, HK33, HK53, HK93 Grip Housing - 4 Position Pictogram 0,1,3,F - Clipped and Pinned - 9mm, 5.56 / .223

    HK MP5, HK33, HK53, HK93 Grip Housing - 4 Position Pictogram 0,1,3,F - Clipped and Pinned - 9mm, 5.56 / .223

    H&K Heckler & Koch

    $0.00
    H&K MP5 & 93/53/33 (9mm & 5.56/.223) 4 Position (0,1,3,F Pictogram) Grip Housing - Clipped & Pinned This new HK German grip housing features 4 position pictogram (0,1,3,F). It is clipped and pinned, designed for use with HK MP5/94 or...
    HKP-00161
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    New - H&K 3 Position Ambidextrous 0,1,2 Burst Pack - HKP-18540

    HK 3 Position Ambidextrous 0,1,2 Burst Pack

    H&K Heckler & Koch

    $0.00
    H&K 3 Position Ambidextrous 0,1,2 Burst Pack New HK German 3 position burst trigger pack complete available in your choice of 9mm, 40/10, .223 & .308 we can set up each trigger pack in any caliber you wish (please specify when checking out in the...
    HKP-18540
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    New - H&K B&T Style Sling Swivel With Attachment Screw - HKP-18150 HK MP5K, SP5K Sling Swivel with Screw for End Caps and Folding Stocks and Braces

    HK MP5K, SP5K Sling Swivel with Screw for End Caps and Folding Stocks and Braces

    H&K Heckler & Koch

    $0.00
    H&K B&T Style Sling Swivel with Attachment Screw Same part found on the HK German MP5K, SP5K end caps and the B&T folding brace and folding stocks. The sling swivel is made by HK in Germany the mounting hardware is made in the USA. This is...
    HKP-18150
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    New - H&K MP5, 94 & HK53 "MLI" HKey Handguard - MRS - HKP-17600 HK MP5, HK94, HK53 Handguard - "MLI" HKey - MRS

    HK MP5, HK94, HK53 Handguard - "MLI" HKey - MRS

    H&K Heckler & Koch

    $0.00
    H&K MP5, 94 & HK53 "MLI" HKey Handguard - MRS The HKey mod "Mid Life Improvement" tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required.  Compatible With: HK MP5, 94 HK MP5 .22...
    HKP-17600
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    New - H&K MP5 9mm Bolt Carrier Action 3 - HKP-02549 HK MP5 Bolt Carrier - Action 3 - 9mm

    HK MP5 Bolt Carrier - Action 3 - 9mm

    H&K Heckler & Koch

    $0.00
    MP5 9mm Bolt Carrier Action 3 Designed to be used with the standard recoil assemblies from an HK MP5 or HK94 model. Will work in clones and other factory-spec firearms. HK MP5 A2, A3, SD, and N models 
    HKP-02549
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    New - HKP Front Sight HK Tower, Triple Frame Install & Removal Fixture Jig - HKP-17586 Front Sight Tower, Triple Frame Fixture Jig - Installation and Removal

    Front Sight Tower, Triple Frame Fixture Jig - Installation and Removal

    HKP HK Parts

    $69.95
    HKP Front Sight HK Tower, Triple Frame Installation & Removal Fixture Jig The original one and only triple frame removal and install fixture. The perfect jig for the installation and removal of triple frames and front sight towers found in all HK 90...
    HKP-17586
    $69.95
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