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 - H&K MR556/MR762 Ribbon for Buttstock - HKP-22002 HK MR556, MR762 Ribbon for Buttstock
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    HK MR556, MR762 Ribbon for Buttstock

    H&K Heckler & Koch

    Now: $48.56
    Was: $53.95
    H&K MR556A1, MR762A1 Ribbon for Buttstock Factory HK ribbon used for sling attachment. Can also be used on the E1 Buttstock. Compatible With: HK MR556/416 MR762/417
    Now: $48.56
    Was: $53.95
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    Now: $48.56
    Was: $53.95
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    New - HKP HK MP5K .40/10 Stock Adapter with Stock - HKP-21834 HK MP5K Stock and Stock or Brace Adapter 10mm / .40 S&W
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    HK MP5K Stock and Stock or Brace Adapter 10mm / .40 S&W

    HKP HK Parts

    Now: $231.96
    Was: $289.95
    HKP HK MP5K .40/10mm Stock Adapter with Stock Designed to adapt UMP style and B&T folding stocks directly to the .40/10mm K platform. Made in the USA and available exclusively at HK Parts Compatible With: HK MP5K .40/10mm
    Now: $231.96
    Was: $289.95
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  • New - JMAC Universal Picatinny 6" Skeletonized Tube with 1913 Folding Mech - HKP-21244
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    Picatinny 6" Skeletonized Tube with 1913 Folding Mech

    JMAC Customs

    $227.90
    JMAC 6" Skeletonized Tube with 1913 Folding Mech This M4 tube adapter replaces the standard buffer tube to ensure the stock folds as flat as possible! Fits most M4 style stocks/braces  Features: Integrated QD Sling Sockers 6” Length 6...
    $227.90
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    $227.90
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  • On Sale
    New - SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace & Adapter - FDE - HKP-20353 HK MP5K Pistol Stabilizing Brace - SBA4 - Adapter Included - FDE
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    HK MP5K Pistol Stabilizing Brace - SBA4 - Adapter Included - FDE

    SB Tactical

    Now: $265.45
    Was: $294.95
    SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace & Adapter - FDE MP5K, 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...
    Now: $265.45
    Was: $294.95
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    Was: $294.95
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  • On Sale
    F5 HK MP5 ACR Stock - Picatinny Mount F5 MFG HKP-22350-M HK MP5, SP5 ACR Folding Stock with Adapter - Picatinny
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    HK MP5, SP5 ACR Folding Stock with Adapter - Picatinny

    F5 MFG

    Now: $283.45
    Was: $314.95
    F5 HK MP5/SP5 ACR Folding Stock w/Adapter - Picatinny The HKP picatinny end cap with the F5 ACR stock allows users to easily swap this, and other stocks, between their MP5 and other platforms.  This drop-in ready assembly attaches with the MP5's...
    Now: $283.45
    Was: $314.95
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    Now: $283.45
    Was: $314.95
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  • On Sale
    New - H&K/HKP Century Arms AP51 Fixed Stock Backplate - HKP-22188 Century Arms AP51 Fixed Stock Backplate
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    Century Arms AP51 Fixed Stock Backplate

    HKP HK Parts / Heckler & Koch

    Now: $80.95
    Was: $89.95
    H&K/HKP Century Arms AP51 Fixed Stock Backplate HKP's drop-in replacement backplate and recoil rod is expertly modified to fit the Century Arms AP51. Crafted to the precise length for optimal function and dependable performance, this backplate allows...
    Now: $80.95
    Was: $89.95
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    Now: $80.95
    Was: $89.95
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  • On Sale
    New - H&K HK MP5 Stock Fork - HKP-22166 HK MP5 Stock Fork
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    HK MP5 Stock Fork

    H&K Heckler & Koch

    Now: $179.95
    Was: $199.95
    H&K HK MP5/SP5 Stock Fork MP5 Replacement Stock Fork Section, expertly crafted in Germany. This robust fixed stock section boasts a classic forked design that guarantees exceptional shoulder support and enhanced control for your pistol. Whether you...
    Now: $179.95
    Was: $199.95
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    Now: $179.95
    Was: $199.95
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    New - H&K HK G36/SL8 Sling/Bipod Eye Bolt - HKP-21654 HK G36, SL8 Sling, Bipod Eye Bolt
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    HK G36, SL8 Sling, Bipod Eye Bolt

    H&K Heckler & Koch

    Now: $71.95
    Was: $79.95
    H&K HK G36/SL8 Sling/Bipod Eye Bolt Factory HK sling and bipod eye bolt for H&K G36 and SL8 rifle models.  Steel construction with a durable black finish.  Installs easily into the forward portion of the handguard to provide a secure...
    Now: $71.95
    Was: $79.95
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    Now: $71.95
    Was: $79.95
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  • On Sale
    New - H&K / HKP V51 Fixed Stock - HKP-21270-M Vector Arms V51 Fixed Stock
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    Vector Arms V51 Fixed Stock

    HKP HK Parts

    Now: $223.96
    Was: $279.95
    H&K / HKP V51 Fixed Stock HK Parts A2 style stocks for the Vector V51 platform. We start with a like-new backplate and convert it into a V51 collapsible style and pair it with a like-new, hand-picked stock.  The result, a complete A2 stock that...
    Now: $223.96
    Was: $279.95
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    Now: $223.96
    Was: $279.95
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  • On Sale
    HK QD End Cap with Buffer - SP5
New - HKP QD End Cap with Buffer - SP5 - HKP-20757
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    HK QD End Cap with Buffer - SP5

    HKP HK Parts

    Now: $44.96
    Was: $99.95
    HK SP5 - Quick Detach End Cap With this SP5 QD end cap upgrade you will get a heavier buffer to internally protect your firearm and keep your bolt carrier in tip top condition for years to come. Machined aircraft grade aluminum and Cerakoted for the best...
    Now: $44.96
    Was: $99.95
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    Was: $99.95
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  • On Sale
    New - HDPS HK USC, UMP Stock Block C Eyelet / Thumb Screw - HKP-20688 HK USC, UMP Stock Block C Eyelet with Thumb Screw
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    HK USC, UMP Stock Block C Eyelet with Thumb Screw

    HDPS

    Now: $152.95
    Was: $169.95
    HDPS HK USC, UMP Stock Block C Eyelet / Thumb Screw Great option since factory HK UMP stocks are hard to find and expensive. The HDPS HK USC/UMP stock block "C." Each unit comes with eyelet / thumb screw design. This is the type for use with the ACE...
    Now: $152.95
    Was: $169.95
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    Now: $152.95
    Was: $169.95
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  • On Sale
    New - B&T HK MP5K, HK SP89, HK SP5K Folding Stock/Length Adjustable Helmet Stock - Black - HKP-18101 HK MP5K, SP5K, SP89 Helmet Stock - Folding and Adjustable
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    HK MP5K, SP5K, SP89 Helmet Stock - Folding and Adjustable

    B&T Brugger & Thomet

    Now: $341.95
    Was: $379.95
    B&T HK MP5K, SP5K, SP89 Helmet Stock - Folding and Adjustable This Swiss-made folding helmet stock offers a compact, military-grade solution for MP5K-pattern firearms. Built from durable polymer and aluminum, it provides smooth length adjustment and...
    Now: $341.95
    Was: $379.95
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    Now: $341.95
    Was: $379.95
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