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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  • On Sale
    New - Glock 19 +5 Magazine Extension Kit - BLEMISHED - HKP-19224-BL-B Glock 19 +5 Magazine Extension Kit - BLEMISHED
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    Glock 19 +5 Magazine Extension Kit - BLEMISHED

    Now: $19.95
    Was: $34.95
    Glock 19 +5 Magazine Extension Kit - BLEMISHED   INSTALLATION MARKS   COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL.   Designed to fit all Glock...
    HKP-19224-BL-B
    Now: $19.95
    Was: $34.95
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  • Out Of Stock
    New - H&K Fray Fixed Blade Knife - HKP-21283 HK Fray Fixed Blade Knife

    HK Fray Fixed Blade Knife

    H&K Heckler & Koch

    $169.95
    Features: • Frame: Black OverMolded Rubber Scales (Includes Black Paracord - 1/8" Diameter)• Tail Jimping: Provides for better traction in reverse grip• Includes Automatic Retention Sheath (1.7 oz weight) Blade:• Style: Clip...
    HKP-21283
    $169.95
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    $169.95
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  • New - Comp-Tac HK 45 Single Magazine Pouch - PLM - HKP-19863 HK45 Magazine Pouch - Single - PLM
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    HK45 Magazine Pouch - Single - PLM

    Comp-Tac

    $41.95
    HK 45 Single Magazine Pouch - PLM The Single Magazine Pouch - PLM is an all Kydex® magazine pouch which gives a smooth friction free surface perfect for a quick reload. The Single Magazine Pouch- PLM attaches to the belt with a Push-Button...
    HKP-19863
    $41.95
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  • New - Meprolight HK VP9 R4E Suppressor Height Night Sight - HKP-19521 Meprolight HK VP9 R4E Suppressor Height Night Sight
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    Meprolight HK VP9 R4E Suppressor Height Night Sight

    Meprolight

    $194.95
    Meprolight R4E Self - Illuminated  Night Sight - HK VP9 - Suppressor Height Rapid target acquisition is a critical component of defensive shooting. Designed by two highly experienced U.S. Special Forces veterans, the R4E Optimized Duty Sights have...
    HKP-19521
    $194.95
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  • New - Meprolight HK VP9/VP9 Tactical R4E Night Sight - HKP-19518 Meprolight HK VP9/VP9 Tactical R4E Night Sight
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    Meprolight HK VP9/VP9 Tactical R4E Night Sight

    Meprolight

    $189.95
    Meprolight HK VP9 R4E Night Sight Rapid target acquisition is a critical component of defensive shooting. Designed by two highly experienced U.S. Special Forces veterans, the R4E Optimized Duty Sights have FIVE elements for sight alignment. Three...
    HKP-19518
    $189.95
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  • Out Of Stock
    New - Aimpoint Absolute Co-Witness T1 Quick Release Mount - HKP-19336 T1 Optic Mount - Picatinny - Quick Release

    T1 Optic Mount - Picatinny - Quick Release

    AIM

    $38.95
    AimSports - T1 Quick Release Mount - Absolute Co-Witness Features a machined recoil lug and steel hardware to prevent wear between mounting surfaces. Utilizing a quick release base, the generously sized lever is textured for easy operation under any...
    HKP-19336
    $38.95
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  • New - GSG9 HK G36C Forearm - Black - HKP-18216 GSG9 HK G36C Handguard
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    GSG9 HK G36C Handguard

    GSG9

    $126.95
    HK G36C Handguard With Heat Shield & Hand Stop New GSG9 manufactured forearm with heat shield & hand stop fits all HK G36C's or SL8/G36 conversions sized for the G36C barrel. Each unit also features the hand stop with sling attachement points...
    HKP-18216
    $126.95
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  • Out Of Stock
    New - H&K HK G36, HK SL8 Roll Pin for Gas Piston - Black - HKP-16386

    HK G36, SL8 Roll Pin - Gas Piston

    H&K Heckler & Koch

    $9.95
    H&K HK G36, HK SL8 Roll Pin for Gas Piston
    HKP-16386
    $9.95
    Out Of Stock
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  • New - B&T TP9/MP9 Firing Pin - Black - HKP-17297
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    B&T TP9, MP9 Firing Pin

    B&T Brugger & Thomet

    $44.95
    B&T Firing Pin For B&T TP9, MP9 Genuine Swiss Brugger and Thomet firing pin for the TP9 and MP9 platforms. Compatible With: B&T TP9 B&T MP9
    HKP-17297
    $44.95
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  • New - B&T BT APC9, BT APC45 Quick Detach Brass Catcher - Black - HKP-18106
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    B&T APC Brass Catcher - 9mm / .40 S&W / .45 ACP - Quick Detach

    B&T Brugger & Thomet

    $165.00
    B&T APC9, APC10, APC45 Quick Detach Brass Catcher Swiss made brass catcher for B&T APC9, APC10 and APC45 firearms. Quickly and easily attaches and detaches to the right-side picatinny rail section. Made to collect the fired brass...
    HKP-18106
    $165.00
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  • Out Of Stock
    New - H&K VP9SK Left Grip Panel w/ Thumb Rest - Medium - Black - HKP-18632 HK VP9SK Grip Panel Left Side - Thumb Rest - Medium - Black

    HK VP9SK Grip Panel Left Side - Thumb Rest - Medium - Black

    H&K Heckler & Koch

    $19.95
    H&K VP9SK Left Grip Panel w/ Thumb Rest - Medium - Black New HK German manufactured. Left side medium size with thumb rest perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK
    HKP-18632
    $19.95
    Out Of Stock
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  • Used - H&K VP9SK, VP40SK Backstrap - Medium - Black - HKP-18294 HK VP9SK, VP40SK Backstrap - Medium - Black
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    HK VP9SK, VP40SK Backstrap - Medium - Black

    H&K Heckler & Koch

    $24.95
    H&K VP9SK, VP40SK Back Strap - Medium - Black New HK German manufacture. Compatible With: HK VP9SK HK VP40SK
    HKP-18294
    $24.95
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