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 12 Round HK Mark 23 Floor Plate - Black - HKP-01196 HK Mark 23 Magazine Floorplate - .45 ACP - 12 Round
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    HK Mark 23 Magazine Floorplate - .45 ACP - 12 Round

    H&K Heckler & Koch

    $19.95
    HK Mark 23 12 Round Magazine Floor Plate A great item to have on hand as the floor plates can become cracked and broken with use and time. Compatible With: Mark 23 12 round mags SOCOM Mark 23 12 round mags
    $19.95
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    $19.95
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  • New - H&K HK VP9/45/P Series Extractor Spring - HKP-01501
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    HK VP, HK45 Series Extractor Spring

    H&K Heckler & Koch

    $5.95
    HK VP9/45/P Series Extractor Spring A must-have repair and replacement part and a recommended part to change out when doing routine maintenance on your HK pistol. Compatible With: HK45 HK45C HK P30/P30L HK P30SK HK P2000 HK P2000SK HK VP9 HK VP9A1 F HK...
    $5.95
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    $5.95
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  • New - H&K 15 Round HK VP9A1 K Magazine - HKP-21650-M HK 15 Round HK VP9A1 K Magazine
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    HK 15 Round HK VP9A1 K Magazine

    H&K Heckler & Koch

    $54.95
    H&K 15 Round HK VP9A1 K Magazine Made from premium stainless steel and equipped with a red, anti-tilt polymer follower for easy identification, these 15-round magazines offer exceptional strength and dependability. The numbered witness holes on the...
    $54.95
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    $54.95
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  • New - B&T HK MP5, SP5 Telescopic Brace - HKP-19504 HK MP5, SP5 Telescopic Brace
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    HK MP5, SP5 Telescopic Brace

    B&T Brugger & Thomet

    $650.00
    B&T HK MP5, SP5 Telescopic Brace B&T's telescopic retractable 5-position brace assembly for Heckler & Koch models, MP5, SP5 and HK94 and clones. Installs using existing push pins, no modification required for installation...
    $650.00
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    $650.00
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  • New - H&K (5.56/.223) & (7.62x51/.308) Hammer Spring- Extra Power - HKP-16447
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    HK Rifle Hammer Spring - Extra Power

    H&K Heckler & Koch

    $14.95
    H&K (5.56/.223) & (7.62x51/.308) Hammer Spring- Extra Power New HK German extra power hammer spring for all .308/.223 Semi & Full Auto Trigger Packs. This is a must have spare replacement part for your HK firearm parts bin. The heavy hammer...
    $14.95
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    $14.95
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  • Used - H&K Sling Loop For Front Sight Tower - Used - HKP-17058 HK90 Series Front Sight Sling Loop - Used
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    HK90 Series Front Sight Sling Loop - Used

    H&K Heckler & Koch

    $24.95
    HK German sling loop, eyebolt or triple frame retainer pin for front sight tower - Used This HK OEM item is used and pulled from demilled HK firearms. This is a must have item for all of your re-barrel jobs of for when you need to mount a sling loop to...
    $24.95
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  • New - H&K HKVP9/VP9SK Right Side Charging Support - HKP-16826 HK VP9, VP9SK Right Side Charging Support
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    HK VP9, VP9SK Right Side Charging Support

    H&K Heckler & Koch

    $6.95
    H&K HKVP9/VP9SK Right Side Charging Support
    $6.95
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    $6.95
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  • New - HKP MP5, HK94 & MP5K 100 Degree Locking Piece - HKP-18049 HK MP5, HK94, SP5K 100 Degree Locking Piece
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    HK MP5, HK94, SP5K 100 Degree Locking Piece

    HKP HK Parts

    $33.95
    HKP MP5, HK94 & MP5K 100 Degree Locking Piece Each 100 degree MP5 locking piece is the proper, correct locking piece for all HK MP5, 94 and full size clones as well as this is now the correct locking piece for all HK MP5K & MP5K-PDW variants, per...
    $33.95
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    $33.95
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  • Used - H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT - HKP-01824 HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT
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    HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT

    H&K Heckler & Koch

    $99.95
    H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT German-made Heckler & Koch grip housing comes in black polymer clipped & pinned, ready to drop on your HK 91, HKG3, PTR-91, or other HK .308 type...
    $99.95
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  • New - H&K Ambidextrous Sling Pin For Forearm - Small - HKP-00077
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    HK Handguard Sling Pin - Ambi - Small

    H&K Heckler & Koch

    $61.95
    HK German Ambidextrous Small Sling Pin For Forearm This ambidextrous pin will allow the user to attach a sling hook to the sling pin. This will also allow the user to use the sling on either the left or right side.
    $61.95
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  • New - H&K HK MR556/MR762/416/417 Quad Handguard Rail Cover - Black - HKP-01743 HK416, HK417, MR556, MR762 Handguard Rail Cover - Quad
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    HK416, HK417, MR556, MR762 Handguard Rail Cover - Quad

    H&K Heckler & Koch

    $19.95
    H&K HK MR556/MR762/416/417 Quad Handguard Rail Cover Brand new Heckler & Koch Picatinny rail covers made of high-impact HK polymer. Each rail is equipped with a quick-release tab and marked with the HK logo. Compatible With: HK...
    $19.95
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  • On Sale
    New - HKP HK VP9 Gen 2 V1 Threaded Barrel Rail Mount Compensator - Black - HKP-19115 HK VP9 Gen 2 V1 Threaded Barrel Rail Mount Compensator
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    HK VP9 Gen 2 V1 Threaded Barrel Rail Mount Compensator

    HKP HK Parts

    Now: $99.95
    Was: $169.95
    HKP HK VP9 Gen 2 V1 Threaded Barrel Rail Mount Compensator Made specifically for the VP9 Tactical or VP9 with Threaded barrel - Version 1 - Gen 2  This HK Parts VP9 Threaded Barrel Rail Mount Compensator is the perfect accessory for your firearm...
    Now: $99.95
    Was: $169.95
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    Now: $99.95
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