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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  • Out Of Stock
    New - HK MP5, 94 UMP Style Folding Stock With HK Parts Brace/Stock Adapter - HKP-20215 HK MP5, 94 Folding Stock - UMP Style - HK Parts Stock or Brace Adapter Included

    HK MP5, 94 Folding Stock - UMP Style - HK Parts Stock or Brace Adapter Included

    USA

    $249.95
    HK MP5, 94 UMP Style Folding Stock With HK Parts Brace/Stock Adapter New US UMP style folding stock assembled with our own HK Parts stock adapter. Our HK Parts stock adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD...
    HKP-20215
    $249.95
    Out Of Stock
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  • Out Of Stock
    New - H&K HK MR556/416 Commercial Factory E1 Rear Stock - Black - HKP-15426 HK416, MR556 Commercial Factory E1 Stock

    HK416, MR556 Commercial Factory E1 Stock

    H&K Heckler & Koch

    $199.95
    H&K HK MR556/416 Commercial Factory E1 Stock HK 416 factory German E1 Stock latest HK German stock for all HK 416/MR556 rifles. This HK 416 HKE1 Buttstock fits Commercial buffer tubes (receiver extensions) for M4/AR15 type weapons. NO LONGER OFFERED...
    HKP-15426
    $199.95
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    $199.95
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  • New - H&K Extended Right Side Ambidextrous Selector Lever - HKP-18875 H&K Extended Right Side Ambidextrous Selector Lever H&K Heckler & Koch HKP-18875
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    HK Extended Right Side Ambidextrous Selector Lever

    H&K Heckler & Koch

    $59.95
    HK German Right Side Ambidextrous EXTENDED (ESSL) Lever New German HK extended selector lever for the right side of all ambidextrous trigger packs. Works with all ambi left side HK selector levers. Compatible With: MP5, 94 MP5 clone and custom...
    HKP-18875
    $59.95
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  • Out Of Stock
    New - HKP HK MR556/416, HK MR762/417 Flip Up Rear Sight-2mm - HKP-17717 HKP HK MR556/416, HK MR762/417 Flip Up Rear Sight-2mm HKP HK Parts HKP-17717

    HK416, HK417, MR556, MR762 Flip Up Rear Sight - 2mm

    HKP HK Parts

    $139.95
    HK 416, MR556 & MR762, 417 Flip Up Rear Sight Diopter 2mm Sight Attaches to any standard picatinny rail. No hardware needed as this is a self-contained quick attach rear sight assembly. This unique sight features a quick & easy push button...
    HKP-17717
    $139.95
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  • On Sale
    HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring
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    HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring

    MKE

    Now: $16.95
    Was: $19.95
    MKE HK MP5, MP5K, AP5 Steel Firing Pin and Spring Replacement Kit Replacement steel firing pin and spring kit for HK MP5 platforms. Direct-fit parts for repairing or replacing worn firing components in MP5-style bolt assemblies. Includes: Firing...
    HKP-99344
    Now: $16.95
    Was: $19.95
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  • On Sale
    New - HKP HK P30SK Stand Off Device - Black - HKP-19191 HK P30SK Stand Off Device
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    HK P30SK Stand Off Device

    HKP HK Parts

    Now: $68.95
    Was: $109.95
    HKP HK P30SK Stand Off Device The P30SK stand-off device is a worst-case-scenario accessory that prevents the slide from being pushed back on the frame (thereby disengaging the trigger).  The ulimate component for close quarters interdiction. ...
    HKP-19191
    Now: $68.95
    Was: $109.95
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    Now: $68.95
    Was: $109.95
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  • New - HKP HK G3, HK 33, HK 93, PTR Front Sight Tower Assembly - HKP-17830 HK33, HK93, G3 Front Sight Tower Assembly
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    HK33, HK93, G3 Front Sight Tower Assembly

    HKP HK Parts

    $49.87
    HKP HK G3, HK 33, HK 93, PTR Front Sight Tower Assembly New US made from a solid billet of ordnance grade steel. Each front sight tower, triple frame set comes complete with a new HK diopter style replaceable front sight post & roll pin. This is the...
    HKP-17830
    $49.87
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  • New - HK G36/UMP Folding Stock Release Spring - HKP-00637
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    HK G36, UMP Folding Stock Release Spring

    H&K Heckler & Koch

    $9.95
    HK G36 Folding Stock Release Spring This is the spring that fits under the stock release button to activate the folding and retention of the G36 or UMP stock. Compatible With: HK G36 HK G36K HK G36C UMP
    HKP-00637
    $9.95
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  • New - H&K HK G36 Backplate w/ Recoil Buffer - HKP-01058 HK G36 Backplate
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    HK G36 Backplate

    H&K Heckler & Koch

    $94.99
    HK G36 Backplate With Recoil Buffer This is a great spare or replacement to have on hand. These are also required for those that are doing the SL8-G36 conversions provided by Tommy Bostic & Chopstix Kid.  
    HKP-01058
    $94.99
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  • New - H&K HK MR556/416 Ejector Port Cover Pin - HKP-02661
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    HK416, MR556 Ejector Port Cover Pin

    H&K Heckler & Koch

    $19.95
    HK MR556 & 416 Ejector Port Cover Pin Compatible With: HK MR556 HK 416
    HKP-02661
    $19.95
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    $19.95
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  • New - H&K UMP (.40 S&W/.45 ACP/9mm) Magazine Floor Plate - HKP-16493 HK UMP Magazine Floorplate - 9mm / .40 S&W / .45 ACP
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    HK UMP Magazine Floorplate - 9mm / .40 S&W / .45 ACP

    H&K Heckler & Koch

    $9.95
    HK German UMP Floorplate For All UMP Magazines  Compatible With: UMP .45 UMP .40 UMP 9mm These can become cracked or broken with use or drops onto hard surfaces.
    HKP-16493
    $9.95
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    $9.95
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  • New - HKP MP5K SEF 5-Position Telscoping Stock - PDWC - HKP-17825 HK MP5K Retractable Stock - SEF - 5-Position - PDWC
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    HK MP5K Retractable Stock - SEF - 5-Position - PDWC

    HKP HK Parts

    $499.95
    HKP MP5K 9mm 5 Position Telscopic Stock - PDWC The stock rails collapse along the top ridge of the grip frame for the lowest profile stock ever produced for the MP5 family of firearms. Made in the USA. Includes: 5-position stainless steel nitrided...
    HKP-17825
    $499.95
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    $499.95
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