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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  • New - SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace & Adapter - HKP-19930 HK MP5K Pistol Stabilizing Brace - SBA4 - Adapter Included
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    HK MP5K Pistol Stabilizing Brace - SBA4 - Adapter Included

    SB Tactical

    $294.95
    SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace & Adapter Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA4 is 5-position adjustable and features an integral, ambidextrous QD sling socket...
    HKP-19930
    $294.95
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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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  • On Sale
    New - HKP AR-15 Commercial Buffer Tube - HKP-02728
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    AR-15 Commercial Buffer Tube

    HKP HK Parts

    Now: $16.95
    Was: $24.95
    AR-15 Commercial Buffer Tube Compatible With: All AR-15 style platforms Not correct length for HK rifles 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...
    HKP-02728
    Now: $16.95
    Was: $24.95
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  • Out Of Stock
    HK MP5, SP5 ACR Folding Stock With Direct Fit Adapter HK MP5, SP5 ACR Folding Stock With Direct Fit Adapter

    HK MP5, SP5 ACR Folding Stock With Direct Fit Adapter

    F5 MFG

    $229.95
    HK MP5/SP5 ACR Folding Stock w/Adapter Upgrade your MP5 platform with the F5-ACR Stock.  Precision machined from 6061 billet aluminum for unmatched durability. Built for law enforcement, personal defense, and enthusiasts, this stock is lightweight,...
    HKP-22253-M
    $229.95
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  • New - MKE HK MP5 Telescopic Buttstock - Cerakoted - HKP-21610-M HK MP5 Telescopic Stock - Cerakoted
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    HK MP5 Telescopic Stock - Cerakoted

    MKE

    $379.95
    MKE Telescopic Stock for HK MP5 and HK AP5 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...
    HKP-21610-M
    $379.95
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  • New - H&K HK MR762/417 Complete Buffer - HKP-16769 HK417, MR762 Complete Buffer
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    HK417, MR762 Complete Buffer

    H&K Heckler & Koch

    $129.95
    H&K HK MR762/417 Complete Buffer Specifications: Weight: 6.1 Oz Overall length: 3.20" OD: 1.18" Compatible With: HK MR762 HK 417
    HKP-16769
    $129.95
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  • New - H&K UMP (.40 S&W/.45 ACP/9mm) Lower Backplate - HKP-16473 HK UMP Lower Backplate
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    HK UMP Lower Backplate

    H&K Heckler & Koch

    $34.95
    HK Heckler and Koch .40 S&W, .45 ACP, 9mm Lower Backplate for HK UMP HK German Backplate for all UMP lowers. You will need to add your existing buffer or order one to make a complete buffer assembly.
    HKP-16473
    $34.95
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  • Out Of Stock
    New - H&K HK 417 M110A1 G28 SDMR Stock - RAL 8K - HKP-21675 HK417, MR762 Buttstock - M110A1, G28 SDMR Clone - RAL8000

    HK417, MR762 Buttstock - M110A1, G28 SDMR Clone - RAL8000

    H&K Heckler & Koch

    $489.95
    HK Heckler and Koch M110A1 G28 SDMR Stock in RAL 8K for HK417 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...
    HKP-21675
    $489.95
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  • New - HKP HK SL8/G36 Conversion Stock Block with Picatinny Rail - HKP-21574-M HK SL8 to G36 Stock Block - Conversion - Sling Pin - Picatinny Rail
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    HK SL8 to G36 Stock Block - Conversion - Sling Pin - Picatinny Rail

    HKP HK Parts

    $149.95
    HKP HK SL8/G36 Conversion Stock Block with Picatinny Rail SL8 to G36 stock block with Picatinny rail offers superior adjustability for the stock of your choice, making it an excellent choice for SL8 conversion projects. Crafted from billet and cerakoted...
    HKP-21574-M
    $149.95
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    $149.95
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  • New - H&K German Ambidextrous Sling Pin Replacement O-Ring - HKP-19985
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    HK German Ambidextrous Sling Pin Replacement O-Ring

    H&K Heckler & Koch

    $5.95
    H&K German Ambidextrous Sling Pin Replacement O-Ring HK ambidextrous sling pin replacement O-ring for all ambidextrous sling pins. Brand new factory German manufacture. This item is a common wear/breakage part that does need to be replaced from time...
    HKP-19985
    $5.95
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  • New - H&K/HKP Century AP51 Fixed Stock - Cerakoted - Enhanced Buffer - HKP-22183-M Century Arms AP51 Fixed Stock - Cerakoted - Enhanced Buffer
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    Century Arms AP51 Fixed Stock - Cerakoted - Enhanced Buffer

    HKP HK Parts / Heckler & Koch

    $199.95
    H&K/HKP Century AP51 Fixed Stock - Cerakoted - Enhanced Buffer Each stock starts life as an excellent condition surplus stock.  The stocks are then refinished and the recoil rod modified to work specifically with the AP51. Available exclusively...
    HKP-22183-M
    $199.95
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  • New - Ergo M-LOK QD Sling Mount - HKP-17875
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    Ergo M-LOK QD Sling Mount

    Ergo

    $24.95
    Ergo M-LOK QD Sling Mount   Compatible with any firearm featuring M-LOK attachment points.
    HKP-17875
    $24.95
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    $24.95
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