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 Clipped & Pinned Semi-Auto FBI (0,1) Ambidextrous Trigger Group - HKP-00154 HK MP5, HK94 Ambidextrous Trigger Group - Clipped and Pinned Semi-Auto FBI (0,1)
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    HK MP5, HK94 Ambidextrous Trigger Group - Clipped and Pinned Semi-Auto FBI (0,1)

    H&K Heckler & Koch

    $799.95
    H&K Clipped & Pinned Semi-Auto FBI (0,1) Ambidextrous Trigger Group HK German factory Clipped & Pinned Semi-Auto FBI (0,1) Ambidextrous Trigger Group in 9mm For Your HK94 Or MP5 Conversion, this part updates your HK to the newer style...
    HKP-00154
    $799.95
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    $799.95
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  • Out Of Stock
    HK91, G3 Trigger Shoe HK91, G3 Trigger Shoe

    HK91, G3 Trigger Shoe

    H&K Heckler & Koch

    $12.95
    HK G3 Trigger Shoe Factory Heckler and Koch G3 trigger shoe.  Compatible With:  HK G3 PSG1 MSG90 In-spec. clones and custom builds  
    HKP-22524
    $12.95
    Out Of Stock
    Qty in Cart: 0
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    $12.95
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  • On Sale
    HK Linear Compensator - Threaded 15x1 RH - 5.56 and .308 - BLEMISHED HK Linear Compensator - Threaded 15x1 RH - 5.56 and .308 - BLEMISHED
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    HK Linear Compensator - Threaded 15x1 RH - 5.56 and .308 - BLEMISHED

    HKP HK Parts

    Now: $89.95
    Was: $149.95
    HKP HK Linear Compensator - Threaded 15x1 RH - 5.56 and .308 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Linear compensators give you the best of...
    HKP-99398
    Now: $89.95
    Was: $149.95
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    Now: $89.95
    Was: $149.95
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  • On Sale
    HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1 HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1
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    HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1

    MKE

    Now: $42.95
    Was: $49.95
    MKE AP5, HK MP5 Contoured Trigger Housing - 0,1 This contoured trigger housing is manufactured by MKE for MP5 and AP5 pattern firearms. Designed for 9mm platforms, it provides a factory-correct housing option for MP5-style trigger group assemblies...
    HKP-99361-M
    Now: $42.95
    Was: $49.95
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    Now: $42.95
    Was: $49.95
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  • HK VP9 Holster - Defender IWB - Right Hand HK VP9 Holster - Defender IWB - Right Hand
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    HK VP9 Holster - Defender IWB - Right Hand

    Black Ash Tactical

    $49.95
    Black Ash Tactical Defender IWB Kydex Holster for HK VP9 Inside-the-waistband Kydex holster for the HK VP9. Each holster is handcrafted in the USA for a precise fit and a clean draw with positive retention. Features: IWB (inside-the-waistband)...
    HKP-22437-M
    $49.95
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    $49.95
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  • On Sale
    MKE AP5, MP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL MKE HKP-22220-BL-B MKE AP5, MP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL MKE HKP-22220-BL-B
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    HK MP5, AP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL

    MKE

    Now: $9.95
    Was: $49.95
    MKE AP5, MP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL SOLD INDIVIDUALLY - CRACKED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Please Note: Will require...
    HKP-22220-BL-B
    Now: $9.95
    Was: $49.95
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    Now: $9.95
    Was: $49.95
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  • HK USP9 Magazine - 10 Round - Standard Floorplate H&K Heckler & Koch HKP-22415 HK USP9 Magazine - 10 Round - Standard Floorplate H&K Heckler & Koch HKP-22415
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    HK USP Magazine - 9mm - 10 Round - Standard Floorplate

    H&K Heckler & Koch

    $54.95
    HK USP9 Magazine - 10 Round - Standard Floorplate Factory 10-round magazine for the HK USP9, featuring a standard floorplate. Compatible With: HK USP 9mm
    HKP-22415
    $54.95
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    $54.95
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  • HK G3 Complete Parkerized Rear Receiver Section - SURPLUS FMP HK CONTRACT HKP-22375 HK G3 Complete Parkerized Rear Receiver Section - SURPLUS FMP HK CONTRACT HKP-22375
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    HK FMP G3 Rear Receiver Section - SURPLUS

    FMP HK CONTRACT

    $24.95
    H&K G3 Complete Parkerized Rear Receiver Section without Rear Sight - SURPLUS UNIT CONDITION WILL VARY  Steel rear receiver section manufactured by FMP on HK tooling. Does not include the rear sight.  Compatible with: HK G3, HK91 In-spec...
    HKP-22375
    $24.95
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    Qty in Cart: 0
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    $24.95
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  • On Sale
    HK 9mm Pistol Flash Hider - 4 Prong - Threaded 1/2x28 - BLEMISHED USA HKP-01965-B HK 9mm Pistol Flash Hider - 4 Prong - Threaded 1/2x28 - BLEMISHED USA HKP-01965-B
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    Pistol Flash Hider - 9mm - 4 Prong - Threaded 1/2x28 - BLEMISHED

    USA

    Now: $53.95
    Was: $74.95
    HK (9mm) 4 Prong Pistol Flash Hider - Threaded 1/2x28 - BLEMISHED VARYING CONDITION SHOWN IN PHOTOS - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE...
    HKP-01965-B
    Now: $53.95
    Was: $74.95
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    Now: $53.95
    Was: $74.95
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  • HK VP9SK EDC Magwell HKP HK Parts HKP-22330-M HK VP9SK EDC Magwell
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    HK VP9SK EDC Magwell

    HKP HK Parts

    $55.95
    HKP HK VP9SK EDC Magwell  Lightweight alloy magwell for quicker mag swaps while maintaining a low-profile. Features: CNC machined from billet aluminum Type 3 hard coat anodized finish Functional funnel design for faster, smoother reloads Made in...
    HKP-22330-M
    $55.95
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    $55.95
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  • On Sale
    New - HKP HK VP9, VP40 Competition Magwell Extension - Purple - BLEMISHED - HKP-21079-PU-B HK VP9, VP40 Competition Magwell Extension - Purple - BLEMISHED
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    HK VP9, VP40 Competition Magwell Extension - Purple - BLEMISHED

    HKP HK Parts

    Now: $69.95
    Was: $129.95
    HKP HK VP9, VP40 Competition Magwell Extension - Purple - BLEMISHED Our 2-piece, steel insert competition VP9/VP40 extended flared magwell is CNC made from heat treated 4140 billet nitrided steel. The upper portion of the magwell is machined from...
    HKP-21079-PU-B
    Now: $69.95
    Was: $129.95
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    Now: $69.95
    Was: $129.95
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  • HK CC9 Magazine Body - 9mm - 12 Round HK CC9 Magazine Body - 9mm - 12 Round
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    HK CC9 Magazine Body - 9mm - 12 Round

    H&K Heckler & Koch

    $5.95
    Heckler and Koch 12-Round Magazine Body for HK CC9 OEM 10-round magazine body for the HK CC9, made in Germany by Heckler & Koch and ideal as a factory-spec replacement. Compatible With: CC9
    HKP-22147
    $5.95
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    $5.95
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