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 - Comp-Tac HK USP Infidel Max IWB RH Holster - Black - HKP-18248 HK USP Holster - Infidel Max IWB - RH
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    HK USP Holster - Infidel Max IWB - RH

    Comp-Tac

    $64.99
    Comp-Tac HK USP Infidel Max IWB RH Holster The Infidel Max Holster is an all-Kydex inside the Waistband holster with cant adjustment holes to allow the user to change from a reverse cant, speed cant and FBI forward cant. Features: All Kydex body for a...
    HKP-18248
    $64.99
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  • New - H&K German MP5K 4 Position (0,1,3,F) Burst Trigger Group - HKP-00403 HK MP5K Trigger Group - Burst 0,1,3,F
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    HK MP5K Trigger Group - Burst 0,1,3,F

    H&K Heckler & Koch

    $3,299.95
    Heckler and Koch HK MP5K 4 Position (0,1,3,F) Burst Trigger Group New HK German factory fresh 9mm MP5K 4 position burst trigger group. Each unit comes just as it comes from the factory in Germany and is complete with trigger pack, left and right selector...
    HKP-00403
    $3,299.95
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    $3,299.95
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  • New - KCI 30 Round MP5 9mm Magazine - 10 Pack - HKP-22058 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - 10 Pack
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - 10 Pack

    KCI

    $349.95
    KCI 30 Round MP5 9mm Magazine - 10 Pack Features: Latest generation and factory fresh, individually sealed magazine 30-round capacity 9mm caliber marked (9mm x 19) Curved for more reliable feeding with steel chrome follower All steel...
    HKP-22058
    $349.95
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  • Out Of Stock
    New - H&K MR556/MR762 A4 45 Degree Ambi Safety Lever - HKP-22034 HK MR556, MR762 A4 45 Degree Ambi Safety Lever

    HK MR556, MR762 A4 45 Degree Ambi Safety Lever

    H&K Heckler & Koch

    $52.00
    H&K MR556/MR762 A4 45 Degree Ambi Safety Lever Genuine H&K ambidextrous 45-degree safety lever for MR556 and MR762 A4 rifles. Includes: Right safety lever Left safety lever Safety lever clamping...
    HKP-22034
    $52.00
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  • New - RCM HK P30L 9mm Tactical Barrel - Threaded 1/2x28 RH - HKP-20496 HK P30L Tactical Barrel - 9mm - 5.06" - Threaded 1/2x28 RH
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    HK P30L Tactical Barrel - 9mm - 5.06" - Threaded 1/2x28 RH

    RCM

    $225.00
    RCM HK P30L 9mm Tactical Barrel - Threaded 1/2x28 RH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK P30L 9mm pistol...
    HKP-20496
    $225.00
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    $225.00
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  • New - HKP HK VP9/VP9SK, HK VP40 Axle For Trigger Safety Latch - HKP-16778
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    HK VP9, VP9SK, VP40 Trigger Safety Latch Axle

    HKP HK Parts

    $3.95
    Axle For Trigger Safety Latch VP9, VP9SK & VP40 HK German factory part. This pin is the axle pin for the safety latch in the VP trigger. Compatible With: HK VP9 HK VP9 Tactical HK VP40 HK VP40 Tactical HK VP9SK
    HKP-16778
    $3.95
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    $3.95
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  • New - Comp-Tac HK P30/45 Infidel Ultra Max Holster - Black - HKP-17490-M HK45, P30 Holster - Infidel Ultra Max
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    HK45, P30 Holster - Infidel Ultra Max

    Comp-Tac

    $93.95
    Comp-Tac HK P30/45 Infidel Ultra Max Holster The Infidel Ultra Holster is an Inside the Waistband Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00 or 5:00, this holster is a perfect easy on easy off...
    HKP-17490-M
    $93.95
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    $93.95
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  • New - H&K 10 Round HK VP9SK/P30SK 9mm Magazine - Black - HKP-17376 HK VP9SK, P30SK Magazine - 10 Round- 9mm
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    HK VP9SK, P30SK Magazine - 10 Round- 9mm

    H&K Heckler & Koch

    $49.95
    H&K 10 Round HK VP9SK/P30SK 9mm Magazine New German HK manufacture 10 round 9mm P30SK/VP9SK magazine with standard flush fit floorplate. This magazine is the same for the VP9SK & P30SK. Compatible With: VP9SK P30SK
    HKP-17376
    $49.95
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  • Out Of Stock
    New - RCM HK USPC .45 ACP Barrel - Threaded .578x28 RH - HKP-17448 HK USPC Barrel - .45 ACP - 4.47" - Threaded .578x28 RH

    HK USPC Barrel - .45 ACP - 4.47" - Threaded .578x28 RH

    RCM

    $250.00
    RCM HK USPC .45 ACP Barrel - Threaded .578x28 RH This HK USPC .45 ACP & USPC Tactical .45 ACP threaded barrel is designed for use with various flash hiders and sound suppressors. It features the common US .578x28 right-hand threads, ensuring...
    HKP-17448
    $250.00
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  • New - Trijicon HK USPC HD Night Sight - Orange/Green - HKP-14534
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    HK USPC HD Night Sight - Orange, Green

    Trijicon

    $152.95
    Trijicon HK USPC HD Night Sight - Orange/Green The three-dot green tritium night sight set front sight features a taller blade and an aiming point ringed in photoluminescent paint, while the rear sight is outlined in black and features a wider U-shaped...
    HKP-14534
    $152.95
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  • New - Meprolight HK USPC Tru-Dot Night Sights - Orange/Green - HKP-01909
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    HK USPC Night Sights - Tru-Dot - Orange, Green

    Meprolight

    $97.95
    Meprolight HK USPC Tru-Dot Night Sights - Orange/Green Features: Unequaled Light Performance Brightest Night Sights Available Today Used by Military & Law Enforcement All Tru-Dot sights are covered by a 12-year usable illumination warranty to the...
    HKP-01909
    $97.95
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  • Out Of Stock
    New - H&K HK USPC Complete 9mm Recoil Spring w/ Buffer Assembly - HKP-01158

    HK USP9 Compact Recoil Spring with Captive Spring

    H&K Heckler & Koch

    $113.95
    Heckler and Koch Recoil Spring with Buffer Assembly Complete or USP Compact 9mm Great spare or replacement item to have as a spare. This is the new factory part for all HK USP9C Pistols. 
    HKP-01158
    $113.95
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