HK Rifle / SMG Parts

HK Rifle / SMG Parts

Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

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  • On Sale
    New - H&K HK 416 Commercial OTB Buffer Tube HK E1 Stock Combo - Black - hkp-18361 HK416 Commercial OTB Buffer Tube HK E1 Stock Combo
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    HK416 Commercial OTB Buffer Tube HK E1 Stock Combo

    H&K Heckler & Koch

    Now: $392.95
    Was: $469.95
    HK 416 OTB E1 Stock & Buffer Tube Combo - Commercial Genuine HK 416 E1 commercial stock with the new style marine environment "over the beach" buffer tube. Buffer tube has ball bearing rollers to tighten the stock when locked in position, and helps...
    HKP-18361
    Now: $392.95
    Was: $469.95
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    Now: $392.95
    Was: $469.95
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  • New - MI HK MR556/416 M-LOK Compatible 13.5" Carbine Handguard - HKP-18437 HK416, MR556 M-LOK Compatible 13.5" Carbine Handguard
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    HK416, MR556 M-LOK Compatible 13.5" Carbine Handguard

    MI Midwest Industries

    $269.74
    MI HK MR556/416 M-LOK Compatible 13." Carbine Handguard Features: Made in the USA Simple installation, direct replacement for HK factory handguard Retains factory barrel nut Mil-spec top rail Seven sides of M-LOK compatible slots Lightweight, rugged...
    HKP-18437
    $269.74
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  • New - H&K HK G36/SL8 Sling Pin Forearm Retaining Clip - HKP-16366 HK G36, SL8 Sling Pin Retaining Clip for Handguards
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    HK G36, SL8 Sling Pin Retaining Clip for Handguards

    H&K Heckler & Koch

    $9.95
    HK G36 & SL8 Sling Pin Retaining Clip Compatible With: HK G36 HK G36K- older version only HK SL8-1 , SL8-6 Factory Forearm
    HKP-16366
    $9.95
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    $9.95
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  • Out Of Stock
    New - H&K HK SL8-1 Sear Spring - HKP-16399

    HK SL8-1 Sear Spring

    H&K Heckler & Koch

    $9.95
    HK SL8-1 Sear Spring
    HKP-16399
    $9.95
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  • New - H&K HK G36C Extended Bottom Rail - Black - HKP-01648 HK G36C Handguard Rail - Bottom - Extended
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    HK G36C Handguard Rail - Bottom - Extended

    H&K Heckler & Koch

    $99.95
    HK German Extended Bottom Rail for Handguard This part provides a full-length mounting rail along the entire bottom of the G36C Forearm. This item is factory HK and comes with all mounting hardware required for the installation.
    HKP-01648
    $99.95
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    $99.95
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  • New - H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Vinyl Mag Pouch - HKP-16324 HK91, G3, PTR TWO Magazines with Pouch - 20 Round - Aluminum
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    HK91, G3, PTR TWO Magazines with Pouch - 20 Round - Aluminum

    H&K Heckler & Koch

    $49.95
    H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ New Vinyl Mag Pouch Combo deal: 2 X 20 round aluminum magazines with new green vinyl mag pouch. Compatible With: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308...
    HKP-16324
    $49.95
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  • Out Of Stock
    New - MM HK MSG90 (7.62x51/.308) Factory Correct T Rail Set - HKP-00567 HK MSG90 T-Rail Set - Factory Correct

    HK MSG90 T-Rail Set - Factory Correct

    Michaels Machines

    $389.95
    MSG-90 Style Receiver Reinforcement Left & Right Side Rail Set Each set is new in white and an exact reproduction of the factory German HK MSG-90 side receiver rails. These rails have the factory-correct holes for welding and the ejection port...
    HKP-00567
    $389.95
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  • Out Of Stock
    New - H&K 93/53/33 (5.56/.223) SEF 3 Position (0,1,25 Pictogram) Housing - Push Pin - HKP-17059

    HK33, HK53, HK93 Lower Housing - 3 Position SEF 0,1,25 Pictogram - Push Pin

    H&K Heckler & Koch

    $199.95
    H&K 93/53/33 (5.56/.223) SEF 3 Position (0,1,25 Pictogram) Housing - Push Pin   Upgrade your HK rifle with this premium SEF housing, featuring a 3-position 0,1,25 selector. Designed for precision and reliability, this housing is crafted to fit...
    HKP-17059
    $199.95
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  • Out Of Stock
    New - H&K MP5 40/10 Bolt Hold Open Axle Roll Pin - HKP-01634

    HK MP5 Bolt Hold Open Axle Roll Pin - .40 S&W / 10mm

    H&K Heckler & Koch

    $8.95
    H&K MP5 40/10 Bolt Hold Open Axle Roll Pin  
    HKP-01634
    $8.95
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  • HK MP5K, SP89 Handguard - Low-Profile HK MP5K, SP89 Handguard - Low-Profile
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    HK MP5K, SP89 Handguard - Low-Profile

    PTR

    $62.95
    PTR HK MP5K, SP89 9mm Tactical Low-Profile Handguard The modular tactical forearm from PTR accommodates 2" rails on either site or bottom for mounting accessories.  Made from aircraft-grade aluminum and steel components. The handguard also boasts...
    HKP-14539-M
    $62.95
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    $62.95
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  • Used - H&K MP5 9mm Parts Kit 100% German - A2 Stock & SEF Lower - HKP-00771 HK MP5 9mm Parts Kit 100% German - A2 Stock - SEF Lower
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    HK MP5 9mm Parts Kit 100% German - A2 Stock - SEF Lower

    H&K Heckler & Koch

    $2,239.95
    HK German MP5 9mm Used Parts Kit Complete (Minus Receiver) All MP5 Kits Include: HK 3-Lug MP5 Barrel - cold hammer forged Cocking Tube Front Sight Tower Wide Forearm - Black Bolt Group - MP5 Full Auto 2 small and 1 large Push Pin 30-Round Curved...
    HKP-00771
    $2,239.95
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    $2,239.95
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  • New - B&T MP5/MP5K Mount For Trijicon 1X24 Reflex - HKP-16863 HK MP5, MP5K Optic Mount, Trijicon 1X24 Reflex
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    HK MP5, MP5K Optic Mount, Trijicon 1X24 Reflex

    B&T Brugger & Thomet

    $127.95
    B&T MP5 & MP5K Mount for Trijicon 1X24 Reflex Low profile mount for HK MP5 with Trijicon RX01m 1x24 Specifications: Color: Black Width max: 42.5 mm Length max: 125.5 mm Height max: 25.8 mm Material: Aluminum & steel Treatment: Hartcoat...
    HKP-16863
    $127.95
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    $127.95
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