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 - HKP MP5 40/10 30 Round Magazine Spring - HKP-16509
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    HK MP5 Magazine Spring - .40 S&W, 10mm - 30 Round

    HKP HK Parts

    Now: $3.95
    Was: $4.95
    HKP MP5 40/10 30 Round Magazine Spring
    HKP-16509
    Now: $3.95
    Was: $4.95
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    Now: $3.95
    Was: $4.95
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  • New - H&K Grip Screw - HKP-01725
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    HK MP5, SP89, HK91, HK93, HK94 Grip Screw

    H&K Heckler & Koch

    $8.95
    H&K Grip Screw New HK grip screw that is now out of production. Great for a spare. Compatible With: HK91 HK93 HK94 SP89
    HKP-01725
    $8.95
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    $8.95
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  • On Sale
    New - HKP 90 Series Hammer For Trigger Pack - HKP-00377 HK MP5, HK90 Series Trigger Pack Hammer - Universal
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    HK MP5, HK90 Series Trigger Pack Hammer - Universal

    HKP HK Parts

    Now: $76.95
    Was: $96.95
    HKP HK Parts Hammer for HK90 Series Trigger Pack This US-made hammer is all steel billet, machined, and counts as one US 922r compliant part for your HK clone build. This US-made hammer can be used on all HK SEF, Navy, or 0, 1 style trigger packs in 9mm,...
    HKP-00377
    Now: $76.95
    Was: $96.95
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    Now: $76.95
    Was: $96.95
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  • On Sale
    New - HKP HK Mark 23 .45 ACP Knurled Micro Comp - Threaded 16x1 RH - HKP-21328 HK Mark 23 Micro Comp - Knurled - Threaded 16x1 - Right Hand
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    HK Mark 23 Micro Comp - Knurled - Threaded 16x1 - Right Hand

    HKP HK Parts

    Now: $23.95
    Was: $29.95
    HKP/H&K Mark 23 .45 ACP Knurled Micro Comp - Threaded 16x1 RH The HK Parts Micro Comp & Thread Protector is a lightweight, fully functional accessory that serves as both a compensator and thread protector. Easily attaching to any factory spec...
    HKP-21328
    Now: $23.95
    Was: $29.95
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    Now: $23.95
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  • On Sale
    New - Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group - HKP-20928-M
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    HK MP5K, SP5K Binary Trigger Group - SEF Navy - BFSIII - 9mm

    FA Franklin Armory

    Now: $659.95
    Was: $879.95
    Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this the fastest semi-automatic trigger on the market. The BFSIII™ is...
    HKP-20928-M
    Now: $659.95
    Was: $879.95
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    Now: $659.95
    Was: $879.95
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  • New - H&K HK P2000/USPC .40 S&W Rubberized Floor Plate - Black - HKP-01556 HK USPC, P2000 Magazine Floorplate - .357 SIG / .40 S&W - 12 Round - Rubberized
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    HK USPC, P2000 Magazine Floorplate - .357 SIG / .40 S&W - 12 Round - Rubberized

    H&K Heckler & Koch

    $18.95
    HK P2000/USPC .40 S&W Rubberized Floor Plate - Black Newer HK German production upgraded rubberized floor plate with finger rest. The older style plates were prone to breakage when dropped, this is the latest style that HK introduced to solve this...
    HKP-01556
    $18.95
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    $18.95
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  • New - Meprolight HK USP Tru-Dot Night Sights - Orange, Green - HKP-01907
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    HK USP Night Sights - Tru-Dot - Orange, Green

    Meprolight

    $99.99
    Meprolight HK USP 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-01907
    $99.99
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    $99.99
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  • On Sale
    New - HKP HK MP5 Tactical Handguard - Low Profile - HKP-02526 HK MP5 Tactical Handguard - Low Profile
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    HK MP5 Tactical Handguard - Low Profile

    HKP HK Parts

    Now: $79.95
    Was: $99.95
    MP5 Tactical Handguard - Low Profile Fully adjustable for positive fitment and is built of high-strength aircraft-grade aluminum. Super lightweight and slim profile at less than 5.0 oz. Each handguard will accept your choice of Picatinny...
    HKP-02526
    Now: $79.95
    Was: $99.95
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    Now: $79.95
    Was: $99.95
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  • New - H&K Bungee Single Point Sling - 1250mm Long - HKP-17604 HK Bungee Single Point Sling - 1250mm Long
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    HK Bungee Single Point Sling - 1250mm Long

    H&K Heckler & Koch

    $109.95
    H&K Bungee Single Point Sling - 1250mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the average sized mag to use. Will fit any HK application...
    HKP-17604
    $109.95
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    $109.95
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  • Used - H&K 33, 93 - Rear Sight Assembly Complete - HKP-00706
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    HK33, HK93 - Rear Sight Assembly Complete

    H&K Heckler & Koch

    $39.95
    Heckler and Koch HK93 and HK33 Rear Sight Assembly Complete - Used This is the complete assembly as it comes from HK for a .556 / .223 firearm.
    HKP-00706
    $39.95
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    $39.95
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  • On Sale
    New - Comp-Tac HK VP9SK DCH Comp Carry Holster - HKP-20072-M HK VP9SK Holster - DCH Comp Carry
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    HK VP9SK Holster - DCH Comp Carry

    Comp-Tac

    $63.95 - $67.95
    Comp-Tac HK VP9SK DCH Comp Carry Holster The dual concealment holster, or the "DCH", is the best solution for users who need versatility in their carry methods. This holster offers both IWB (inside-the-waistband) and OWB (outside-the-waistband) options...
    HKP-20072-M
    $63.95 - $67.95
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    $63.95 - $67.95
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  • On Sale
    New - GSG9 HK SL8, HK G36 Magazine Release Axle Pin - HKP-18255 HK SL8, G36 Magazine Release Axle Pin
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    HK SL8, G36 Magazine Release Axle Pin

    GSG9

    Now: $8.95
    Was: $10.95
    GSG9 Magazine Release Axle - USA made for HK G36 and HK SL8 Mag release axle for all G36 and SL8 models. A must-have spare part. Made in the USA. Compatible With: G36 G36K SL8 Other custom G36 type builds
    HKP-18255
    Now: $8.95
    Was: $10.95
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    Now: $8.95
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