Stocks / Braces / Slings

Stocks / Braces / Slings

Explore our premium selection of HK-specific stocks, braces, and slings at HKParts, designed to enhance comfort and functionality for a variety of HK models. Our offerings include adjustable braces, tactical slings, and folding stocks, perfect for upgrading your HK MP5, HK416, or UMP. Whether for tactical use or recreational shooting, our durable and versatile accessories provide superior firearm support and stability.

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  • On Sale
    New - MKE HK MP5 Retractable Buttstock - Cerakoted - HKP-21610-M HK MP5 Retractable Stock - Cerakoted
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    HK MP5 Retractable Stock - Cerakoted

    MKE

    Now: $341.95
    Was: $379.95
    MKE HK MP5 / AP5 Retractable Stock Transform your MP5-AP5 Clone with the essential upgrade that defines its iconic look. The A3 collapsible design delivers a customizable length of pull for unparalleled comfort and control. With a straight forward...
    Now: $341.95
    Was: $379.95
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    Now: $341.95
    Was: $379.95
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  • Out Of Stock
    On Sale
    New - H&K HK XM8 Sling - Black - HKP-17669 HK XM8 Sling - Black

    HK XM8 Sling - Black

    H&K Heckler & Koch

    Now: $89.95
    Was: $99.95
    H&K HK XM8 Sling - Black New HK German XM8 Tactical Sling. The real deal and a rare HK collectible. Only a few available.
    Now: $89.95
    Was: $99.95
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    Now: $89.95
    Was: $99.95
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  • Used - H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - Dark OD Green - Surplus - HKP-18933 HK91, G3 Fixed Stock with Enhanced Heavy Buffer - Dark OD Green - Surplus
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    HK91, G3 Fixed Stock with Enhanced Heavy Buffer - Dark OD Green - Surplus

    H&K Heckler & Koch

    $129.95
    HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed - Dark OD Green - Surplus Used Dark Olive Drab Green German surplus stock complete with Enhance DMR buffer installed. This Stock is so dark it looks to be brown. The stock and the buttpad on this...
    $129.95
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    $129.95
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  • On Sale
    New - H&K 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Internal Buffer With Break Springs - HKP-17424
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    HK33, HK53, HK93, HK91, G3 Internal Buffer With Break Springs

    H&K Heckler & Koch

    Now: $16.16
    Was: $17.95
    HK German G3, 91, PTR & HK 33, 93 Internal Buffer Brake Spring New HK German Brake Springs for the standard buffer found on the HK G3, 91, PTR & HK93, 33, 53 rear stocks. Compatible With: All standard A2 fixed stock buffers
    Now: $16.16
    Was: $17.95
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    Now: $16.16
    Was: $17.95
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  • On Sale
    New - H&K HK 417 M110A1 G28 SDMR Stock - RAL 8K - HKP-21675 HK417 Stock - M110A1 G28 SDMR - RAL8000
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    HK417 Stock - M110A1 G28 SDMR - RAL8000

    H&K Heckler & Koch

    Now: $440.95
    Was: $489.95
    H&K HK 417 M110A1 G28 SDMR Stock - RAL 8K This exceptional stock is the definitive choice for your M110A1, G28 SDMR clone, or any custom build! With its HK E1 Mil-Spec style design, it delivers unmatched quality and performance. The highly...
    Now: $440.95
    Was: $489.95
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    Now: $440.95
    Was: $489.95
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  • On Sale
    New - SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace & Adapter - HKP-19928 HK MP5 Pistol Stabilizing Brace - SBA4 - Adapter Included
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    HK MP5 Pistol Stabilizing Brace - SBA4 - Adapter Included

    SB Tactical

    Now: $265.45
    Was: $294.95
    SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace & Adapter MP5, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment. This brace is the perfect addition for your MP5, SP5...
    Now: $265.45
    Was: $294.95
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    Now: $265.45
    Was: $294.95
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  • On Sale
    New - Choate Adjustable Folding Stock 1/2 inch Spacer - HKP-19032 Adjustable Folding Stock 1/2 inch Spacer
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    Adjustable Folding Stock 1/2 inch Spacer

    Choate

    Now: $7.16
    Was: $7.95
    Choate Adjustable Folding Stock 1/2 inch Spacer This spacer adds 1/2 inch to our HK Choate folding stocks that uses the adjustable length of pull spacer system. You can add up to 5 of these spacers to your stock.  
    Now: $7.16
    Was: $7.95
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    Now: $7.16
    Was: $7.95
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  • On Sale
    HK MP5 to AR Stock and Adapter HK MP5 to AR Stock and Adapter
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    HK MP5 to AR Stock and Adapter

    HKP HK Parts

    Now: $183.96
    Was: $229.95
    HKP MP5 to AR Adapter & Stock Complete Each AR stock, brace 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 AR stock...
    Now: $183.96
    Was: $229.95
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    Now: $183.96
    Was: $229.95
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  • On Sale
    New - MKE Century Arms AP51 A3 Retractable Stock - HKP-21926 Century Arms AP51 Retractable Stock - A3
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    Century Arms AP51 Retractable Stock - A3

    MKE

    Now: $404.95
    Was: $449.95
    MKE Century Arms AP51 A3 Retractable Stock Factory new MKE stock professionally converted to fit the AP51 rifles and pistols. This AP51 stock was modified to the correct length recoil rod to make it a true drop in stock. Only offered here at HK Parts...
    Now: $404.95
    Was: $449.95
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    Now: $404.95
    Was: $449.95
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  • Used - H&K G3 Standard Stock Buttpad - Green - Used - HKP-21865 HK G3 Standard Stock Buttpad - Green - Used
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    HK G3 Standard Stock Buttpad - Green - Used

    H&K Heckler & Koch

    $2.95
    H&K G3 Standard Stock Buttpad - Green - Used This German-made buttpad is an excellent replacement for your worn-out or broken buttpadd on the G3 stock. Used but fully functional.  Compatible With: HK G3
    $2.95
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    $2.95
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  • Used - H&K MP5 , HK94 Factory A3 Stock - Used - HKP-21644 HK MP5 , HK94 Factory A3 Stock - Used
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    HK MP5 , HK94 Factory A3 Stock - Used

    H&K Heckler & Koch

    $739.95
    H&K MP5 & HK94 Factory A3 Stock - Used The original Navy-style German HK MP5 A3 stock is a rare find as it's no longer in production and has been replaced by the MP5 F-style stock. We are offering the sought-after second-generation MP5 A3...
    $739.95
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    $739.95
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  • Out Of Stock
    On Sale
    New - HKP HK UMP Stock Block - B Push Pin - HKP-21249 HK UMP Stock Block - B Push Pin

    HK UMP Stock Block - B Push Pin

    HKP HK Parts

    Now: $27.96
    Was: $34.95
    Stock Block B Sling Pin With Loop washer & Quick Pull Pin for UMP/USC (.40 S&W/ .45 ACP/9mm)   
    Now: $27.96
    Was: $34.95
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    Now: $27.96
    Was: $34.95
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