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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    New - MM HK 21 (7.62x51/.308) Factory Style T- Rail Set - HKP-00823 HK21 T-Rail Set - Factory Style

    HK21 T-Rail Set - Factory Style

    Michaels Machines

    $275.00
    Michael's Machines HK 21 (7.62x51/.308) Factory Style T-Rail Set HK21 US-made rails for all HK21 builds. This is similar to the rails above, only prepped/cut for the HK21 feed mechanism.  
    HKP-00823
    $275.00
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    $275.00
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  • New - HKP MP5 40/10 Ambidextrous (0,1) Trigger Pack - HKP-17231 HK MP5 Trigger Pack - Ambi 0,1 - .40 S&W, 10mm
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    HK MP5 Trigger Pack - Ambi 0,1 - .40 S&W, 10mm

    HKP HK Parts

    $324.95
    HKP MP5 40/10 Ambidextrous (0,1) Trigger Pack Finally a lower cost alternative to the spendy and hard to find all German HK FBI or 0,1 ambi trigger packs. Now for the first time, we have the ever popular trigger pack available in an all German & US...
    HKP-17231
    $324.95
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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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  • Used - H&K MP5 9mm Parts Kit 100% German - A2 Stock & SEF Lower - HKP-00771 HK MP5 Parts Kit - A2 Buttstock and SEF Lower - 9mm - 100% German
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    HK MP5 Parts Kit - A2 Buttstock and SEF Lower - 9mm - 100% German

    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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  • Out Of Stock
    New - H&K MP5 A3 Retractable Stock Sling Attachment Bar- Weldable - HKP-17427 HK MP5 A3 Retractable Buttstock Sling Attachment Bar - Weldable

    HK MP5 A3 Retractable Buttstock Sling Attachment Bar - Weldable

    H&K Heckler & Koch

    $9.95
    HK MP5 A3 Retractable Stock Sling Bar This part offering is a factory German HK part new unpainted and ready to weld to your application. Can also be used for upgrading a non-ambi stock to an ambi stock by attaching the sling bar to the A3 stock...
    HKP-17427
    $9.95
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  • New - H&K MP5 9mm Grenade Launcher Attachment - 3-Lug - HKP-16975 HK MP5 9mm Grenade Launcher Attachment - 3-Lug
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    HK MP5 9mm Grenade Launcher Attachment - 3-Lug

    H&K Heckler & Koch

    $149.95
    H&K MP5 9mm Grenade Launcher Attachment - 3-Lug   This is a rare part and hard to come by. Perfect for MP5 9mm series.   Specifications: 3-Lug Compatible With: HK MP5/MP5K HK SP5/SP5K HK 94
    HKP-16975
    $149.95
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  • Used - H&K (7.62/.308) & (5.56/.223) Flash Hider - 15x1 - Used - HKP-00717 H&K (7.62/.308) & (5.56/.223) Flash Hider - 15x1 - Used H&K Heckler & Koch HKP-00717
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    HK33, HK53, HK93, HK91, HK G3 Flash Hider - Threaded 15x1 - Used

    H&K Heckler & Koch

    $15.95
    Heckler and Koch's Flash Hider - 15x1 RH - Used Used / surplus HK German flash hider threaded 15x1 RH.  Please inspect pictures to ascertain the average condition of these flash hiders. Compatible With: HK33 HK53 HK93 HK G3 HK91  
    HKP-00717
    $15.95
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  • HK416, MR556 C.A.R.L. - 2, 3, or 6 Round Interchangeable Cam Limiter HK416, MR556 C.A.R.L. - 2, 3, or 6 Round Interchangeable Cam Limiter
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    HK416, MR556 C.A.R.L. - 2, 3, or 6 Round Interchangeable Cam Limiter

    AS Designs

    $55.00
    ST Inc Limiter Cam for HK416, MR556 ARC-Fire CARL Lever - 2, 3, and 6 Round Options Limiter cam for the ST Inc CARL lever used with the HK416 and MR556 ARC-Fire trigger setup. Available in 2, 3, and 6 round configurations, each cam changes the CARL reset...
    HKP-22565-M
    $55.00
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    $55.00
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  • HK MP5 Optic Rail - M-LOK - Midwest G2 HK MP5 Optic Rail - M-LOK - Midwest G2
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    HK MP5 Optic Rail - M-LOK - Midwest G2

    MI Midwest Industries

    $136.95
    Midwest Industries HK MP5 Optic Rail M-LOK Mil-Spec optic rail designed for the HK MP5 platform featuring M-LOK attachment points. Provides a stable mounting surface for optics and accessories on MP5 series submachine guns. This model is sought after for...
    HKP-22536
    $136.95
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  • On Sale
    HK MP5, MP5K Optic Mount - Aimpoint ACRO P-1 HK MP5, MP5K Optic Mount - Aimpoint ACRO P-1
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    HK MP5, MP5K Optic Mount - Aimpoint ACRO P-1

    HKP HK Parts

    Now: $67.95
    Was: $98.95
    HKP HK Parts Aimpoint ACRO P1 Mount for your HK MP5 and HK MP5K  Low-profile mount with a direct Aimpoint ACRO mounting interface. The smallest mount in the market with a sleek and clean overall look. Full co-witness, this mount is the best in...
    HKP-99354
    Now: $67.95
    Was: $98.95
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  • HK MP5, AP5 Recoil Rod
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    HK MP5, AP5 Recoil Rod

    MKE

    $64.95
    MKE HK MP5, AP5 Steel Recoil Rod Turkish-made steel recoil rod for MP5-style firearms. OEM-quality part that replaces worn or bent recoil rods and is designed to help restore smooth cycling and proper bolt movement on 9mm MP5 and AP5 roller-delayed...
    HKP-99343
    $64.95
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  • HK MP5 Extended Safety Selector Lever - Used H&K Heckler & Koch HKP-22327-USED HK MP5 Extended Safety Selector Lever - Used H&K Heckler & Koch HKP-22327-USED
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    HK MP5 Selector Lever Extension - Used

    H&K Heckler & Koch

    $24.95
    H&K MP5 Safety Selector Lever Extension - Used Used factory original HK MP5 safety selector lever extension in good condition.  This part affixes to the safety selector lever to extend the safety lever for easier actuation. This is a used part,...
    HKP-99317
    $24.95
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