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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  • Out Of Stock
    New - H&K MP5K 9mm 3 Position S,E,3F Burst Trigger Group - Push Pin - HKP-02019 HK MP5K Burst Trigger Group -3 Position S,E,3F - Push Pin - 9mm

    HK MP5K Burst Trigger Group -3 Position S,E,3F - Push Pin - 9mm

    H&K Heckler & Koch

    $0.00
    Trigger Group (S,E,3F) - HK MP5K 9mm New factory HK German and rare only a few of these in the country and there will be no more Compatible With: HK MP5K 9mm
    HKP-02019
    $0.00
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    New - Trigger Group (0,1,3) Pictogram - HK MP5 9mm - HKP-02018 HK MP5 Trigger Group - 0,1,3 Pictogram - 9mm

    HK MP5 Trigger Group - 0,1,3 Pictogram - 9mm

    H&K Heckler & Koch

    $0.00
    HK MP5 9mm (0,1,3) Only Pictogram Black Polymer Trigger Group. Rare configuration and hard to find.
    HKP-02018
    $0.00
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  • Out Of Stock
    New - H&K MP5 & MP5K 9mm Ambidextrous 0,1 Trigger Pack - HKP-18209 HK MP5, MP5K Ambidextrous 0,1 Trigger Pack - 9mm

    HK MP5, MP5K Ambidextrous 0,1 Trigger Pack - 9mm

    H&K Heckler & Koch

    $0.00
    H&K MP5/K 9mm 2 Position 0,1 Ambidextrous Trigger Pack Introducing the popular FBI or 0,1 style ambidextrous trigger pack, now available in a fully German-manufactured configuration. This trigger pack is designed for use with ambidextrous grip...
    HKP-18209
    $0.00
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  • New - H&K MP5 3 Position Navy (0,1,Full) Trigger Group - HKP-00160 HK MP5 Trigger Group - Navy 3 Position 0,1,Full
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    HK MP5 Trigger Group - Navy 3 Position 0,1,Full

    H&K Heckler & Koch

    $2,499.95
    HK MP5 9mm 3 Position Navy (0,1,Full) Trigger Group Complete New Factory German manufacture brand new 3 position Navy ambidextrous F/A trigger group. Safe, semi, full controls. Each unit comes complete as shown as the trigger group comes from the factory...
    HKP-00160
    $2,499.95
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  • Out Of Stock
    Used - HK Locking Roller -4 , 7.96mm - HKP-17558 Bolt Head Locking Roller -4, 7.96mm

    Bolt Head Locking Roller -4, 7.96mm

    HKP HK Parts

    $8.95
    HKP HK Parts -4 7.96mm Undersized Roller HK spec under-sized roller that will fit all HK bolt heads including HK91, G3, HK33, HK53, HK93, HK94, MP5, SP89 all clones and the Cetme and its clones. An easy way to remember the size you need to order: Plus...
    HKP-17558
    $8.95
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  • Out Of Stock
    Used - H&K MP5 Full Auto Bolt Group Complete- IB DATE CODE - HKP-00662

    HK MP5 Bolt Carrier Group - Full Auto - Complete - IB DATE CODE

    H&K Heckler & Koch

    $0.00
    MP5 Full Auto Bolt Group Complete - IB DATE CODE-NEW OLD STOCK HK German 9mm MP5 full auto bolt carrier IB dated new old stock in 100% working order. These bolt groups are  HK German MP5  Limited quantity available. Heckler & Koch bolt...
    HKP-00662
    $0.00
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  • Out Of Stock
    Used - H&K 33/93 Cocking Tube with Hanger - HKP-00710

    HK33, HK93 Cocking Tube with Hanger - USED

    H&K Heckler & Koch

    $88.95
    Heckler and Koch Cocking Tube with Hanger, Used for HK33 and HK93
    HKP-00710
    $88.95
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  • Out Of Stock
    Used - H&K 53/33 0-1-25 SEF Trigger Group-Used - HKP-00705

    HK33, HK53 Trigger Group - 0-1-25 SEF - Used

    H&K Heckler & Koch

    $999.95
    H&K 53/33 0-1-25 SEF Trigger Group-Used HK German 0-1-25 SEF trigger groups for 53/33 in used in good condition. These trigger groups are the ultimate choice to complete the factory correct look for a HK53. Given that the 0,1,25 trigger groups are no...
    HKP-00705
    $999.95
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  • HK416, MR556 ARC-Fire with Geissele Trigger - V2 with 416 Selectors - Ambi Controls HK416, MR556 ARC-Fire with Geissele Trigger - V2 with 416 Selectors - Ambi Controls
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    HK416, MR556 ARC-Fire with Geissele Trigger - V2 with 416 Selectors - Ambi Controls

    AS Designs / Geissele

    $689.95
    AS Design HK416 and MR556 V2 ARC-Fire Trigger with Geissele*** Trigger, 416 Selectors, and 0-90-180, 0-45-90, and 0-45-180 Position Options AS Designs’ ARC-Fire (Active Reset Clutch) trigger is an innovative take on forced reset trigger technology...
    HKP-22803-M
    $689.95
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  • On Sale
    HK416, MR556 Handguard - 11" - Extended - Quad Rail - BLEMISHED HK416, MR556 Handguard - 11" - Extended - Quad Rail - BLEMISHED
    Add to Cart

    HK416, MR556 Handguard - 11" - Extended - Quad Rail - BLEMISHED

    H&K Heckler & Koch

    Now: $332.95
    Was: $445.95
    HK416, MR556 Handguard - 11" - Extended - Quad Rail - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This drop-in unit offers two full inches in extra...
    HKP-01960-B
    Now: $332.95
    Was: $445.95
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  • On Sale
    Aimpoint Micro T1, T2 20.4mm Spacer - BLEMISHED Aimpoint Micro T1, T2 20.4mm Spacer - BLEMISHED
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    Aimpoint Micro T1, T2 20.4mm Spacer - BLEMISHED

    B&T Brugger & Thomet

    Now: $64.95
    Was: $91.00
    Aimpoint Micro T1, T2 20.4mm Spacer 20.4mm riser for Aimpoint T1 and T2 optics. INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Simply...
    HKP-21682-B
    Now: $64.95
    Was: $91.00
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  • HK MP5, SP5, MP5K, SP5K Magazine Clamp - Tri-Lock - 9mm HK MP5, SP5, MP5K, SP5K Magazine Clamp - Tri-Lock - 9mm
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    HK MP5, SP5, MP5K, SP5K Magazine Clamp - Tri-Lock - 9mm

    HKP HK Parts

    $39.95
    HKP HK MP5, SP5, MP5K, SP5K Tri-Lock Magazine Clamp 9mm Triple magazine clamp HK MP5 magazines. Secures three 9mm magazines together for faster reloads and segregating ammo types (FMJ/JHP/subsonic/supersonic).  Compatible With: MP5, SP5 MP5K,...
    HKP-22799-M
    $39.95
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