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 - MFI MP5, 94 Extended Low Profile Scope Mount - Windowed - HKP-16225 HK MP5, HK94 Optic Mount - Extended - Low Profile - Windowed
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    HK MP5, HK94 Optic Mount - Extended - Low Profile - Windowed

    MFI

    $124.95
    MFI MP5, 94 Extended Low Profile Scope Mount-Windowed MFI's newest addition to the line-up is a full inch longer, measuring 6.5 inches and featuring windows to view the factory serial number through the mount. This option is the longest, low-profile...
    HKP-16225
    $124.95
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    $124.95
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  • New - HKP Picatinny Rail For HK Receivers - 15 Slot - HKP-18241 HK Picatinny Rail For HK Receivers - 15 Slot
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    HK Picatinny Rail For HK Receivers - 15 Slot

    HKP HK Parts

    $59.95
    HKP Picatinny Rail For HK Receivers - 15 Slot Mil-Spec all steel CNC'ed picatinny rail in the white, relief cut to fit flush and low profile on HK receivers. The most solid and consistent mounting platform made for mounting scopes and optics to HK builds...
    HKP-18241
    $59.95
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  • New - HKP .45 ACP Vented Micro Comp - Threaded 16x1 LH - HKP-20211 HKP .45 ACP Vented Micro Comp - Threaded 16x1 LH
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    HKP .45 ACP Vented Micro Comp - Threaded 16x1 LH

    HKP HK Parts

    $29.95
    HKP .45 ACP Vented Micro Comp - Threaded 16x1 LH The HK Parts micro comp & 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...
    HKP-20211
    $29.95
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    $29.95
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  • New - Ergo G3, 91, PTR Tactical Grip For Metal Grip Frames - HKP-14092 HK91, G3 Tactical Grip for Metal Grip Frames
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    HK91, G3 Tactical Grip for Metal Grip Frames

    Ergo

    $59.95
    Ergo G3, 91, PTR Tactical Grip For Metal Grip Frames The ergonomically enhanced ERGO Tactical Deluxe Grips are compatible with all metal HK grip frames, both the semi-auto & full auto metal grip frames. Compatible With: HK 91, G3, PTR, CETME, 93,...
    HKP-14092
    $59.95
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  • Out Of Stock
    New - B&T Short Style Vertical Grip - Picatinny - Black - HKP-18426 B&T Short Style Vertical Foregrip - Picatinny - Black

    B&T Short Style Vertical Foregrip - Picatinny - Black

    B&T Brugger & Thomet

    $75.00
    B&T Short Style Vertical Grip - Picatinny - Black B&T Vertical Grip - Short Style- Fixed Swiss made B&T short vertical forend grip. This foregrip is designed to be easily attached to the picatinny rail using the knurled screw. Made of black...
    HKP-18426
    $75.00
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    $75.00
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  • Out Of Stock
    On Sale
    New - HKP MP5 & MP5K 9mm Dual Magazine Clamp - Black - BLEMISHED - HKP-00084-BL-B HK MP5, MP5K Clamp - Dual Magazine - 9mm - BLEMISHED

    HK MP5, MP5K Clamp - Dual Magazine - 9mm - BLEMISHED

    HKP HK Parts

    Now: $19.95
    Was: $29.95
    HKP MP5 & MP5K 9mm Dual Magazine Clamp - Black - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The MP5 and MP5K magazine grip or dual magazine...
    HKP-00084-BL-B
    Now: $19.95
    Was: $29.95
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  • Out Of Stock
    Used - H&K 40 Round HK 93, 33, 53 5.56x45mm/.223/300 Magazine - Used - HKP-19761 HK33, HK53, HK93 Magazine - 40 Round - Used

    HK33, HK53, HK93 Magazine - 40 Round - Used

    H&K Heckler & Koch

    $80.00
    HK33, HK53, HK93 Magazine - 40 Round - Used - Genuine German HK HK Factory German 40 round surplus magazine. This factory magazine is long since out of production and is made from aluminum, steel and polymer. Used condition. A rare find and only...
    HKP-19761
    $80.00
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  • HK VP9, P30 Magazine Extension - +3 New - HKP +3 HK VP9/P30 Magazine Extension - Black - HKP-17649
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    HK VP9, P30 Magazine Extension - +3

    HKP HK Parts

    $34.95
    HKP HK Parts +3 Magazine Extension for HK VP9 and HK P30   HK Parts magazine extension adds 3 additional rounds to the magazine with the simple swap of the floorplate for the extension. This is an easy 2 min swap, no gunsmithing needed. Made in the...
    HKP-17649-M
    $34.95
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  • New - B&T MP5 Folding Stock - HKP-00460 HK MP5 Folding Stock - 9mm
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    HK MP5 Folding Stock - 9mm

    B&T Brugger & Thomet

    $325.00
    B&T MP5 Folding Stock - 9mm - For All MP5 Full Size Variants   Swiss-made B&T folding stock for the MP5 & HK94. This is a military-grade stock as supplied by B&T to HK Germany. B&T Switzerland has supplied these to law...
    HKP-00460
    $325.00
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    $325.00
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  • Used - Uzi Top Cover Complete - Surplus - HKP-19988 Uzi Top Cover Complete - Surplus
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    Uzi Top Cover Complete - Surplus

    IMI

    $24.95
    Uzi Top Cover Complete - Surplus IMI Uzi SMG top cover surplus. Perfect working condition.
    HKP-19988
    $24.95
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    $24.95
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  • Used - H&K Trip Lever- Friction - Used - Surplus - HKP-17760 HK Trip Lever- Friction - Used - Surplus
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    HK Trip Lever- Friction - Used - Surplus

    H&K Heckler & Koch

    $3.74
    H&K Trip Lever- Friction - Used - Surplus HK German trip lever for HK F/A or registered sear trigger packs in used surplus condition. This is the older friction style trigger pack found on older HK trigger packs and all HK registered sear packs.
    HKP-17760
    $3.74
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    $3.74
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  • New - HKP HK P30 Series Enhanced Magazine Release - HKP-21153-M HK P30 Series Magazine Release - Enhanced
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    HK P30 Series Magazine Release - Enhanced

    HKP HK Parts

    $49.95
    HKP HK Parts Enhanced Alloy Magazine Release for HK P30, HK P30SK, and HKP30L New HK Parts Enhanced and Over-sized Magazine Release. The oversized magazine Release increases the overall surface area and makes it possible to release the magazine...
    HKP-21153-M
    $49.95
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    $49.95
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