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 - HKP Front Sight Tower Ambi Sling Attachment Weldment - HKP-17881 HKP Front Sight Tower Ambi Sling Attachment Weldment
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    HKP Front Sight Tower Ambi Sling Attachment Weldment

    HKP HK Parts

    $14.95
    HKP Front Sight Tower Ambi Sling Attachment Weldment Ambi sling loop that is welled and installed on all MP5F model front sight tower. A great upgrade for that custom build or for those that want to have the ability to have an ambidextrous sling loop at...
    HKP-17881
    $14.95
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    $14.95
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  • Used - H&K HK 416/MR556 Enhanced Buffer Tube-Commercial - HKP-15424 H&K HK 416/MR556 Enhanced Buffer Tube-Commercial H&K Heckler & Koch HKP-15424
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    HK416, MR556 Buffer Tube - Enhanced - Commercial

    H&K Heckler & Koch

    $249.95
    HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial: Genuine HK German manufactured 416, MR556 new style latest generation marine environment & over the beach buffer tube. Each Commercial buffer tube has built in drainage...
    HKP-15424
    $249.95
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  • New - HKP AR-15 Commercial Buffer Tube - HKP-02728
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    HK AR-15 Commercial Buffer Tube

    HKP HK Parts

    $24.95
    AR-15 Commercial Buffer Tube Compatible With: HK MR556 & 416 All AR-15 style platforms Features: Made From T7 7075 Aircraft grade aluminum Made in the USA 6 Position Each features a highly polished inside tube Black Mil-spec triple hard coat...
    HKP-02728
    $24.95
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    $24.95
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  • HK MP5K Apparel and Patch Collection - K Series Hats, Patches, and Shirts - V1 HK MP5K Apparel and Patch Collection - K Series Hats, Patches, and Shirts - V1
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    HK MP5K Apparel and Patch Collection - K Series Hats, Patches, and Shirts - V1

    HKP HK Parts

    $0.00
    HKP HK MP5K Apparel and Patch Collection - Version 1 Represent your platform with the HK Parts K Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...
    HKP-22454-M
    $0.00
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  • Out Of Stock
    HK416, MR556 ARC-Fire with Geissele Trigger - 3-Position - Ambi Controls HK416, MR556 ARC-Fire with Geissele Trigger - 3-Position - Ambi Controls

    HK416, MR556 ARC-Fire with Geissele Trigger - 3-Position - Ambi Controls

    AS Designs

    $689.95
    HK416, MR556 A4 3-Position ARC-Fire with Geissele*** Trigger and Ambidextrous Controls AS Designs' ARC-Fire (Active Reset Clutch) trigger is an innovative take on forced reset triggers.  The trigger is reset immediately after each shot, resulting in...
    HKP-22435
    $689.95
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  • Out Of Stock
    New - H&K MR762/417 Magazine - 5 Round - HKP-22013 HK417, MR762 Magazine - 5 Round

    HK417, MR762 Magazine - 5 Round

    H&K Heckler & Koch

    $78.95
    H&K 5 Round MR762/417 Magazine 5-round magazine for the MR762 and HK417.  Compatible With: MR762 HK417
    HKP-22013
    $78.95
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  • On Sale
    New - Case of 55 Turkish Contract 30 Round MP5 Magazine - HKP-21889 Case of 55 Turkish Contract 30 Round MP5 Magazine
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    Case of 55 Turkish Contract 30 Round MP5 Magazine

    Now: $1,096.95
    Was: $1,482.25
    55 Count Case of Turkish Contract 30 Round MP5 Magazine These Turkish military contract 30 round MP5 magazines are leftover "seconds" that HKP recently imported directly from Turkey.  The magazines were manufactured by a Turkish contractor similar...
    HKP-21889
    Now: $1,096.95
    Was: $1,482.25
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  • New - H&K 416 Front Takedown Pin - HKP-21862 HK416, MR556 Takedown Pin - Front - A4 Style
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    HK416, MR556 Takedown Pin - Front - A4 Style

    H&K Heckler & Koch

    $26.95
    H&K HK416, MR556 A4 Front Takedown Pin  The HK416 front takedown pin is a German-made component designed to securely fasten the upper and lower receivers. Precision-machined for a proper fit, it ensures reliable function and serves as an ideal...
    HKP-21862
    $26.95
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    $26.95
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  • On Sale
    New - HKP HK MP7 Dual Magazine Clamp - HKP-21597-M HK MP7 Dual Magazine Clamp
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    HK MP7 Dual Magazine Clamp

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    HKP HK MP7 Dual Magazine Clamp Our MP7 dual mag clamp was designed for quick mag swaps at the range or in the real world.  The clamp works with any capacity MP7 magazine. Compatible With: HK MP7
    HKP-21597-M
    Now: $39.96
    Was: $49.95
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  • On Sale
    New - MI/HKP HK MP5K Alpha Folding Brace/Stock Adapter - HKP-21514-M HK MP5K Stock or Brace Adapter - Folding - Alpha
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    HK MP5K Stock or Brace Adapter - Folding - Alpha

    MI Midwest Industries

    Now: $369.95
    Was: $419.95
    MI/HKP HK MP5K Alpha Folding Brace/Stock Adapter The Midwest Industries Alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your exact style of...
    HKP-21514-M
    Now: $369.95
    Was: $419.95
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  • New - HKP HK UMP & HK USC Extended Top Rail For Optics - HKP-21048 HK UMP, USC Top Rail - Extended - Optics
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    HK UMP, USC Top Rail - Extended - Optics

    HKP HK Parts

    $59.95
    HKP HK UMP & HK USC Extended Top Rail For Optics Nearly an 1" longer than the standard length top rail for mounting any Picatinny mount optic.  Made in the USA from 6061 aluminum and hard coat anodize in a beutiful black finish. 
    HKP-21048
    $59.95
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    $59.95
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  • On Sale
    New - Top Rail - HK USC / UMP - HKP-20744 HK USC , UMP Top Rail
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    HK USC , UMP Top Rail

    Other

    Now: $99.95
    Was: $149.95
    Top Rail - HK USC / UMP TommyBuilt anodized aluminum high rise top rail.  Includes mounting hardware. Compatible With: HK UMP HK USC TMP UMP clone
    HKP-20744
    Now: $99.95
    Was: $149.95
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    Now: $99.95
    Was: $149.95
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