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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  • Used - H&K 91/G3 (7.62x51/.308) A3 Retractable Stock - Excellent - HKP-00828 H&K 91/G3 (7.62x51/.308) A3 Retractable Stock - Excellent || HKP-00828 || HKPARTS
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    HK91, G3 A3 Retractable Buttstock - Excellent

    H&K Heckler & Koch

    $999.95
    HK G3 & HK 91 A3 Retractable Stock - German These are the final units available no longer produced or offered by HK Germany. Each stock includes two large push pins as a bonus. A beautiful upgrade that truly elevates your G3 or 91 build. Once...
    HKP-00828
    $999.95
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    $999.95
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  • On Sale
    HK G36, G36K, G36C Sling - USED HK G36, G36K, G36C Sling - USED
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    HK G36, G36K, G36C Sling - USED

    H&K Heckler & Koch

    Now: $46.95
    Was: $64.95
    HK G36, G36K, G36C Sling - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. 38 mm wide Compatible With: G36 G36K G36C
    HKP-18459-USED
    Now: $46.95
    Was: $64.95
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    Was: $64.95
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  • HK MP5 A3 Retractable Buttstock Lever Rebuild Kit HK MP5 A3 Retractable Buttstock Lever Rebuild Kit
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    HK MP5 A3 Retractable Buttstock Lever Rebuild Kit

    H&K Heckler & Koch

    $49.95
    Heckler and Koch Lever Rebuild Kit for A3 Retractable Buttstocks Rebuild kit for worn out or to complete A3 retractable stocks with metal back plate  Compatible with: MP5 HK33 HK91, G3
    HKP-22547
    $49.95
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  • Out Of Stock
    On Sale
    HK MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - HK - USED HK MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - HK - USED

    HK MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - HK - USED

    H&K Heckler & Koch

    Now: $63.95
    Was: $99.95
    HK MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - HK - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Each pistol end cap is OEM HK German MP5K and MP5K-N and has the HK German factory buffer...
    HKP-00394-USED
    Now: $63.95
    Was: $99.95
    Out Of Stock
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    Now: $63.95
    Was: $99.95
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  • On Sale
    HK G3 Standard Stock Buttpad - Green - Used - BLEMISHED H&K Heckler & Koch HKP-21865-ODG-B HK G3 Standard Stock Buttpad - Green - Used - BLEMISHED H&K Heckler & Koch HKP-21865-ODG-B
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    HK G3 ButtPlate with Catch Spring - Standard Stock - Green - Used - BLEMISHED

    H&K Heckler & Koch

    Now: $0.97
    Was: $2.95
    HK G3 Standard Stock Buttpad - Green - Used - BLEMISHED SOLD INDIVIDUALLY - CRACKED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This German-made buttpad is an excellent replacement for your...
    HKP-21865-ODG-B
    Now: $0.97
    Was: $2.95
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    Now: $0.97
    Was: $2.95
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  • A3 Tactical Picatinny Skelestock A3 Tactical Picatinny Skelestock
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    A3 Tactical Picatinny Skelestock

    JMK

    $338.95 - $353.95
    A3 Tactical Picatinny Skelestock The A3 Tactical Skelestocks are fixed-length folding skeleton stocks meticulously machined from 6061 aluminum. An ambidextrous hinge enables it to fold either to the right or left, depending on the mounting...
    HKP-22410-M
    $338.95 - $353.95
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  • HK G3 Stock Cut Off Section - OD Green FMP HK CONTRACT HKP-22376 HK G3 Stock Cut Off Section - OD Green FMP HK CONTRACT HKP-22376
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    HK G3 Stock Cut Off Section - OD Green

    FMP HK CONTRACT

    $2.45
    HK G3 Stock Cut Off Section - OD Green De-milled G3 stock section. Manufactured by FMP on HK tooling. Compatible With: HK G3, HK91 In-spec. clones and custom builds
    HKP-22376
    $2.45
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  • On Sale
    New - B&T APR308 Deployment Bag - With Sling - HKP-21881 B&T APR308 Deployment Bag - With Sling
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    B&T APR308 Deployment Bag - With Sling

    B&T Brugger & Thomet

    Now: $199.95
    Was: $349.95
    B&T APR308 Deployment Bag - With Sling Hidden for years in an unmarked crate, these genuine B&T contracted deployment cases are perfect for keeping your valuable B&T APR rifle safe and secure.  The cases were made in Poland by NFM Group...
    HKP-21881
    Now: $199.95
    Was: $349.95
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    Was: $349.95
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  • New - H&K HK21E/23E Inner & Outer Buffer Compression Springs - HKP-21856 HK21E, HK23E Compression Springs - Inner Buffer, Outer Buffer
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    HK21E, HK23E Compression Springs - Inner Buffer, Outer Buffer

    H&K Heckler & Koch

    $59.95
    H&K HK21E/23E Inner & Outer Buffer Compression Springs An unissued set of inner and outer buffer compression springs for your HK21E/23E buffer, sourced directly from HK Germany. Most HK21E/23E buffers in the U.S are first-generation, which use...
    HKP-21856
    $59.95
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    $59.95
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  • Out Of Stock
    New - B&T USW-G17 Conversion Kit - HKP-21733 B&T USW-G17 Conversion Kit

    B&T USW-G17 Conversion Kit

    B&T Brugger & Thomet

    $550.00
    B&T USW-G17 Conversion Kit Upgrade your Glock 17 with the B&T USW-G17 conversion kit, transforming it into a Universal Service Weapon for enhanced stability and control. This kit includes a folding stock for improved handling, an optics mounting...
    HKP-21733
    $550.00
    Out Of Stock
    Qty in Cart: 0
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    $550.00
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    Out Of Stock
  • New - SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace - FDE - HKP-20352 HK MP5 Pistol Stabilizing Brace - SBA4 - FDE
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    HK MP5 Pistol Stabilizing Brace - SBA4 - FDE

    SB Tactical

    $294.95
    SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace - FDE 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 or clone...
    HKP-20352
    $294.95
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    $294.95
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  • New - H&K USC (.45 ACP) Buttstock - Black - Used - HKP-02475 HK USC Buttstock - Black - Used
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    HK USC Buttstock - Black - Used

    H&K Heckler & Koch

    $148.95
    HK USC .45 buttstock Stock Used in Vg shape or better NO BUFFER included. Pull off from HK German USC rifles. HK German manufacture
    HKP-02475
    $148.95
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    $148.95
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