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 - HKP HK 53/51 (5.56/.223) Urbach Style Fluted Barrel Extension - Threaded 15x1 RH - HKP-17638 HK51, HK53 Barrel Extension - Fluted - Urbach Style - Threaded 15x1 RH
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    HK51, HK53 Barrel Extension - Fluted - Urbach Style - Threaded 15x1 RH

    HKP HK Parts

    Now: $82.95
    Was: $149.95
    HKP HK 53/51 (5.56/.223) Urbach Style 8 inch Fluted Barrel Extension - Threaded 15x1 RH This 8" long fluted barrel extension is designed to extend the overall length of a 51 or 53 barrel to meet the 16" legal requirement. Ideal for those using an 8"...
    HKP-17638
    Now: $82.95
    Was: $149.95
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    Now: $82.95
    Was: $149.95
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  • New - HKP HK PSG1/93/33 (5.56/.223) MSG90 Style Match Barrel - HKP-17008 HK33, HK93, PSG1 Match Barrel - 5.56 / .223 - 26"- MSG90 Style
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    HK33, HK93, PSG1 Match Barrel - 5.56 / .223 - 26"- MSG90 Style

    HKP HK Parts

    $499.95
    HK PSG-1, MSG-90 Style 5.56, .223 HK 93, HK 33 Match Barrel: This is the finest PSG1 barrel you can get for your custom HK93, SG1, PSG1 style build in 5.56. Built on trusted tooling to HK specifications.  Perfect for that custom build or the for the...
    HKP-17008
    $499.95
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    $499.95
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  • New - BETA C-Mag 100 Round HK 93/53/33 (5.56/.223) Beta Mag System - HKP-00486-M HK33, HK53, HK93 Drum Mag - 100 Round
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    HK33, HK53, HK93 Drum Mag - 100 Round

    Beta C-Mag

    $689.95
    100 Round Beta C-Mag for HK 93, 33, 53 - 5.56/.223 systems 100 Round Beta C-Mag Drum System for .223 Remington and 5.56 NATO calibers. These drums are designed with clear back covers to enable you to see your round count. This is the top-of-the-line...
    HKP-00486-M
    $689.95
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    $689.95
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  • Out Of Stock
    New - HKP MP5 40/10 Trigger Group 2 Position Housing (0,1) - Safe/Semi Only - Clipped & Pinned - HKP-17248 HK MP5 40/10 Trigger Group 2 Position Housing (0,1) - Safe/Semi Only - Clipped and Pinned

    HK MP5 40/10 Trigger Group 2 Position Housing (0,1) - Safe/Semi Only - Clipped and Pinned

    HKP HK Parts

    $529.95
    MP5 40/10 Trigger Group 2 Position Housing 0,1- Safe, Semi Only Finally a lower cost alternative to the spendy & rare all-German HK FBI or 0,1 ambidextrous trigger group in a 2 position factory German HK housing. Each trigger group features a...
    HKP-17248
    $529.95
    Out Of Stock
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    $529.95
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  • Out Of Stock
    New - H&K MP5 40/10 4 Position (0,1,3,F Pictogram) Trigger Housing - Clipped & Pinned - HKP-02129 HK MP5 Trigger Housing - 4 Position 0,1,3,F Pictogram - 10mm and 40 S&W - Clipped and Pinned

    HK MP5 Trigger Housing - 4 Position 0,1,3,F Pictogram - 10mm and 40 S&W - Clipped and Pinned

    H&K Heckler & Koch

    $0.00
    H&K MP5 40/10 4 Position (0,1,3,F Pictogram) Trigger Housing - Clipped & Pinned This trigger housing features (0,1,3,F) pictogram markings and is specifically designed for the HK MP5 40/10 series. The housing is already clipped and pinned for...
    HKP-02129
    $0.00
    Out Of Stock
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  • New - HKP MP5 40/10 Fake Suppressor/Barrel Extension - 3-Lug - HKP-00889
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    HK MP5 Barrel Extension / Faux Suppressor - 10mm / .40 S&W - 3 Lug

    HKP HK Parts

    $69.95
    HKP MP5 40/10 Fake Suppressor/Barrel Extension - 3-Lug This fake suppressor is used as a barrel extension to bring your H&K MP5 40/10 8.85" barrel to legal conforming standards of 16" so you do not have to register the weapon as an SBR. This fits...
    HKP-00889
    $69.95
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    $69.95
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  • On Sale
    New - H&K MP5K/SP5K/SP89 Semi-Auto 3 Position Trigger Group- Clipped & Pinned - HKP-00186 HK MP5K/SP5K/SP89 Semi-Auto 3 Position Trigger Group- Clipped & Pinned
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    HK MP5K/SP5K/SP89 Semi-Auto 3 Position Trigger Group- Clipped & Pinned

    H&K Heckler & Koch

    Now: $1,289.95
    Was: $1,899.95
    Heckler and Koch MP5K, SP5K Semi Auto 3 Position Trigger Group - Clipped & Pinned Semi-automatic trigger group configured in a 3-position clipped and pinned housing. Provides the appearance of a factory 3-position configuration while retaining a...
    HKP-00186
    Now: $1,289.95
    Was: $1,899.95
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    Now: $1,289.95
    Was: $1,899.95
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  • New - H&K MP5 A3 Rear Stock Fork Section With Buttpad - HKP-01044
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    HK MP5 A3 Stock Fork Section With Buttpad

    H&K Heckler & Koch

    $429.95
    H&K MP5 A3 Stock Fork Section With Buttpad A common repair item as the buttpad can crack or break off with time or hard use. A hard-to-find item, available here at HK Parts. For use with new style A3 German stocks, NOT the older style stocks...
    HKP-01044
    $429.95
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    $429.95
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  • On Sale
    New - Franklin Armory CZ Scorpion - BFSIII - Binary Trigger - Curved - HKP-18881 CZ Scorpion Binary Trigger - Curved - BFSIII
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    CZ Scorpion Binary Trigger - Curved - BFSIII

    FA Franklin Armory

    Now: $449.99
    Was: $495.95
    Franklin Armory CZ Scorpion - BFSIII - Binary Trigger The BFSIII for CZ Scorpion is a 3-Position Trigger. In position 3 it will fire 1 round on Pull and 1 round on Release. This makes it the fastest semi-automatic trigger on the market. The BFSIII is...
    HKP-18881
    Now: $449.99
    Was: $495.95
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    Now: $449.99
    Was: $495.95
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  • New - RCM MP5 & HK34 9mm Barrel - Threaded 1/2x28 - HKP-17762 HK MP5, HK94, HK34 Barrel - 9mm - 12.7"- Threaded 1/2x28
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    HK MP5, HK94, HK34 Barrel - 9mm - 12.7"- Threaded 1/2x28

    RCM

    $204.95
    RCM MP5, HK34, HK94 Barrel - 9mm - 12.7"- Threaded 1/2x28   Each barrel is hand-selected from the finest cold hammer forged (CHF) 41V45 steel blanks, expertly profiled and chambered in the desirable 16 flute chamber profile. Finished with a...
    HKP-17762
    $204.95
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    $204.95
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  • New - HKP ACE Adapter for HK MP5, 93, 33 - HKP-18504 HK MP5, HK33, HK93 Stock or Brace Adapter - ACE Style
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    HK MP5, HK33, HK93 Stock or Brace Adapter - ACE Style

    HKP HK Parts

    $99.95
    ACE Adapter for HK MP5 and HK 93 Each ACE adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct "H" buffers to protect your expensive firearm. This is the finest ACE adapter available period...
    HKP-18504
    $99.95
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    $99.95
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  • HK416, MR556 Upper Receiver - Stripped - No Forward Assist HK416, MR556 Upper Receiver - Stripped - No Forward Assist
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    HK416, MR556 Upper Receiver - Stripped - No Forward Assist

    H&K Heckler & Koch

    $489.99
    HK416, MR556 Upper Receiver - Stripped - No Forward Assist Genuine HK HK416 upper receiver designed for HK416 and MR556 rifle platforms. This stripped receiver does not include a forward assist or ejection port door. Compatible With HK416, MR556 MR223
    HKP-22506
    $489.99
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    $489.99
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