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 - HKP HK UMP/USC & G36 Flat Trigger - HKP-20766-M HK UMP, USC, G36 Flat Trigger
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    HK UMP, USC, G36 Flat Trigger

    HKP HK Parts

    $99.95
    HKP HK UMP/USC & G36 Flat Trigger Our flat trigger has spaced out serrations at the face of the trigger for a superior grip. Chamfered edges prevent the trigger face serrations from cutting into the operator's hands over prolonged range sessions...
    HKP-20766-M
    $99.95
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    $99.95
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  • On Sale
    New - ETS 12 Round HK VP9SK 9mm Magazine - Translucent - HKP-19198 HK VP9SK Magazine - 12 Round - Translucent
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    HK VP9SK Magazine - 12 Round - Translucent

    Elite Tactical Systems

    Now: $12.95
    Was: $16.99
    Elite Tactical Systems 9mm 30 Round Magazine HK VP9SK Features: Extended 12-round capacity Base plates interchangeable with ETS line of 9mm double stack magazines. Due to the wide variety of extensions for Glock, our mag base is designed to be...
    HKP-19198
    Now: $12.95
    Was: $16.99
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    Was: $16.99
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  • New - Comp-Tac HK P30L/HK45 RH Paddle Holster - Black - HKP-18817 HK45, P30L Holster - Paddle - RH
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    HK45, P30L Holster - Paddle - RH

    Comp-Tac

    $84.95
    Comp-Tac HK P30L/HK45 RH Paddle Holster The Comp-Tac Paddle Holster is an all-Kydex outside the waistband holster that may be worn for competition, general use or concealed carry. The Paddle is designed to be worn at 3:00 for the right handed shooter...
    HKP-18817
    $84.95
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  • New - HK .308 Rifles Clubfoot Stock with Enhanced Heavy Buffer - HKP-20068 HK91, G3 Clubfoot Stock with Enhanced Heavy Buffer
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    HK91, G3 Clubfoot Stock with Enhanced Heavy Buffer

    Michaels Machines

    $429.95
    US Michaels Machines Clubfoot Stock for HK G3, HK91, PTR-91, and Clones U.S clubfoot stock comes fully assembled and ready to drop onto your HK G3, HK91, PTR or other HK style firearm. Enhanced heavy buffer installed for optimum performance. The enhanced...
    HKP-20068
    $429.95
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    $429.95
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  • New - H&K HK MP5/MP5K Semi Auto Ambidextrous Trigger Pack - HKP-19867 HK MP5, MP5K Semi Auto Ambidextrous Trigger Pack
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    HK MP5, MP5K Semi Auto Ambidextrous Trigger Pack

    HKP HK Parts / Heckler & Koch

    $299.95
    H&K MP5/K 9mm Semi-Auto Ambidextrous Trigger Pack Each Trigger pack is fully assembled and ready to drop in your Ambi FBI, Navy pictogram housing. All parts are German HK with the exception of the trigger pack box and the 9mm ejector lever...
    HKP-19867
    $299.95
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  • New - Wilson Combat HK VP/45C/P30 Vickers Elite Front Sight - Green - HKP-18379
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    HK VP9, P30, HK45C Front Sight - Vickers Elite - Green

    Wilson Combat

    $39.95
    Wilson Combat HK VP/45C/P30 Vickers Elite Front Sight - Green   Snag Free Front Sight, Green Fiber Optic, Vickers Elite for H&K® .225" Compatible With: HK VP9, HK VP9SK, HK VP40 HK45 Compact, HK45CT HK P30 9mm or .40 HK P30L 9mm or .40 HK...
    HKP-18379
    $39.95
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  • New - Trijicon HK VP, P30, HK45C HD Night Sight Set - Orange - HKP-14557
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    HK VP9, P30, HK45C HD Night Sight Set - Orange

    Trijicon

    $150.95
    Trijicon HK VP, P30, HK45C HD Night Sight Set - Orange The HD Night Sights were specifically created to address the needs of tactical shooters. The three-dot green tritium night sight set's front sight features a taller blade and an aiming point ringed...
    HKP-14557
    $150.95
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    $150.95
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  • New - H&K HK USP 9mm / .40 S&W Magazine Loader - Black - HKP-01165
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    HK USP 9mm, .40 S&W Magazine Loader

    H&K Heckler & Koch

    $19.95
    H&K HK USP 9mm / .40 S&W Magazine Loader - Black Factory new Heckler & Koch. Compatible With: HK USP 9mm HK USP .40 S&W HK USP .357 SIG   Please Note: This does not fit USP .45 magazines.
    HKP-01165
    $19.95
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  • New - H&K HK MR556/416 Upper Receiver Threaded Piston Guide - HKP-02640
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    HK416, MR556 Piston Guide - Threaded - Upper Receiver

    H&K Heckler & Koch

    $19.95
    Heckler and Koch Upper Receiver Threaded Piston Guide for HK MR556 and HK416 Compatible With: HK416, MR556 M27
    HKP-02640
    $19.95
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  • Used - H&K 91/G3 (7.62x51/.308) Rear Sight Drum - Used - HKP-18093
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    HK91, G3 Rear Sight Drum - Used

    H&K Heckler & Koch

    $4.95
    HK German Rear Sight Drum For .308/7.62 - Used Used surplus genuine Heckler & Koch German manufactured product. Rare and hard to find. Most come in good shape but could use a good refinish. Used and range from good - exc shape. Compatible With: HK...
    HKP-18093
    $4.95
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    $4.95
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  • New - H&K (5.56/.223) Chamber Flute Brush - HKP-00464
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    Barrel Chamber Flute Cleaning Brush - 5.56 / .223

    H&K Heckler & Koch

    $29.95
    New HK German .223/5.56 Chamber Flute Cleaning Brush This item is ideal to have on hand for cleaning the flutes of the barrel. The flutes have to remain clean for the rounds to be extracted properly. 
    HKP-00464
    $29.95
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  • New - RCM HK 93/53/33 # 7 Locking Piece 55 Degree - HKP-16556
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    HK33, HK53, HK93 Locking Piece # 7 - 55 Degree

    RCM

    $49.95
    RCM HK 93/53/33 # 7 Locking Piece 55 Degree New 55 Degree #7 Locking Piece for the HK 93, 33, C93 & V93 rifles. Made in the USA from ordnance grade steel, heat treated and made to last. A perfect upgrade for your well used or questionable locking...
    HKP-16556
    $49.95
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    $49.95
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