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 - SB Tactical, B&T HK MP5K, SP5K Swiss Folding Brace - HKP-19356 HK MP5K, SP5K Folding Brace - Swiss
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    HK MP5K, SP5K Folding Brace - Swiss

    B&T Brugger & Thomet / SB Tactical

    $239.95
    Folding Brace - Swiss - B&T MP5K, SP5K Factory Swiss B&T MP5K, SP5K Folding Pistol Brace with the SB Tactical/B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with sling swivel. Available...
    HKP-19356
    $239.95
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  • New - H&K HK P30 Series Right Slide Release Shorty - Black - HKP-02487 HK P30 Series Right Slide Release Shorty
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    HK P30 Series Right Slide Release Shorty

    H&K Heckler & Koch

    $32.95
    HK P30 Series Right Slide Release Shorty This is a shorter version slide release for the HK, P30, P30L, P30S, P30SK, and P30SKS "Safety" version models. The short models are standard on the P30S and P30SKS models.
    HKP-02487
    $32.95
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  • New - Handguard Rail System Screw - HK416 - HKP-02680 HK416, MR556, HK417, MR762 Handguard Locking Screw - X Style
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    HK416, MR556, HK417, MR762 Handguard Locking Screw - X Style

    H&K Heckler & Koch

    $29.95
    HK416, MR556, HK417, MR762 - Handguard Locking Screw Replacement handguard locking screw that secures the handguard to the upper receiver. This version features the "X" allowing the bolt head or HK sling hood tool to be used for installation or removal...
    HKP-02680
    $29.95
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  • New - H&K P30/P30S 9mm Tactical Barrel - Threaded 13.5x1 LH - HKP-16851 HK P30, P30S Tactical Barrel - 9mm - 4.48" - Threaded 13.5x1 LH
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    HK P30, P30S Tactical Barrel - 9mm - 4.48" - Threaded 13.5x1 LH

    H&K Heckler & Koch

    $274.95
    H&K P30/P30S 9mm Tactical Barrel - Threaded 13.5x1 LH New factory OEM German barrel mande at the HK factory from HK German Cold Hammer Forged barrel blanks, heat treated and finished to HK specs. This is the finest threaded barrel available for the...
    HKP-16851
    $274.95
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  • New - H&K 93/53/33 (5.56/.223) Firing Pin Spring - HKP-00193
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    HK33, HK53, HK93 Firing Pin Spring

    H&K Heckler & Koch

    $9.95
    New HK German 93, 33, & 53 .223/5.56 Firing Pin Spring. A must-have spare part as this is a high wear and replacement item.  Compatible With: HK93, 33, 53   V93/V53, C93, C53 Custom builds and clones
    HKP-00193
    $9.95
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  • New - H&K MP5 40/10 Ejector Lever - HKP-00412 HK MP5 Ejector Lever - .40 S&W / 10mm
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    HK MP5 Ejector Lever - .40 S&W / 10mm

    H&K Heckler & Koch

    $38.74
    German HK MP5 40, MP5 10mm Ejector Lever Get the ejector that is tried and true and the best upgrade you can make with your HK MP5 40 or 10mm. This is the finest and only ejector that will work properly for any length of time. Original factory German HK...
    HKP-00412
    $38.74
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  • Used - H&K Claw Mount Screw For Optics & Rails - HKP-17921 HK Claw Mount Screw for Optics and Rails
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    HK Claw Mount Screw for Optics and Rails

    H&K Heckler & Koch

    $3.95
    H&K Claw Mount Screw For Optics & Rails HK German rail screw that is used on the HK claw mount to add an optic such as a Hendsoldt or Stanag optic to the claw mount. The screw is used German surplus manufacture but in perfect shape for use on all...
    HKP-17921
    $3.95
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  • New - HKP HK VP9SK Bench Mat - HKP-18091 HK VP9SK Bench Mat
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    HK VP9SK Bench Mat

    HKP HK Parts

    $13.95
    Gunsmithing, Cleaning Bench Mat - HK VP9SK, VP9SK Tactical This isn't your ordinary gun cleaning mat. Show your pride for your HK VP9SK firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat to protect your gun...
    HKP-18091
    $13.95
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  • New - Maglula HK 91/G3 (7.62x51/.308) Magazine Loader - HKP-16228 HK91, G3 Magazine Loader
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    HK91, G3 Magazine Loader

    Maglula

    $29.95
    HK91, G3, PTR .308 LULA Mag Loader For those that have used Maglula products they offer the best mag loaders on the planet. Features: Loads a round a second, can unload the entire 20 round magazine in less than 3 seconds Safe on fingers and magazine...
    HKP-16228
    $29.95
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  • New - HKP HK MP5 Navy Binary Trigger Group - Engraved - HKP-21000-M Push Pin
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    HKP HK MP5 Navy Binary Trigger Group - Engraved

    HKP HK Parts / FA Franklin Armory

    $1,299.95
    HKP HK MP5 Navy Binary Trigger Group - Engraved 3 Position Navy style Engraved Pictograph– HK Binary Trigger Group Our latest and greatest binary trigger group freshly delivered with a factory HK German housing that was professionally engraved and...
    HKP-21000-M
    $1,299.95
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  • Out Of Stock
    New - H&K 13 Round HK USPC 9mm Magazine w/ Flat Floor Plate - Black - HKP-02243 HK USPC, P2000SK Magazine - 9mm - 13 Round - Flat Floorplate

    HK USPC, P2000SK Magazine - 9mm - 13 Round - Flat Floorplate

    H&K Heckler & Koch

    $49.95
    13 Round HK USPC 9mm Magazine w/ Flat Floorplate Perfect for concealed carry or use as a lower profile magazine. Compatible With: HK USP Compact 9mm HK P2000 9mm HK P2000SK (will sit below the bottom of the magwell)
    HKP-02243
    $49.95
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  • New - HKP UMP (.45 ACP) 25 Round Magazine Body - BODY ONLY - HKP-17020 HK UMP Magazine Body - .45 ACP - 25 Round
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    HK UMP Magazine Body - .45 ACP - 25 Round

    HKP HK Parts

    $34.95
    UMP 45 25 Round Magazine Body Only - USA Made New US made UMP .45 cal 25 Round Factory Mag Body. Each magazine body will fit all HK UMP factory firearms as well as the HK USC's that have been converted to accept UMP magazines. Each magazine is made in...
    HKP-17020
    $34.95
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