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 - HK MP5 Magpul UCS Stock with Adapter - HKP-22197 HK MP5 UCS Stock and Adapter
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    HK MP5 UCS Stock and Adapter

    HKP HK Parts / Magpul

    Now: $286.15
    Was: $317.95
    HK MP5 Magpul UCS Stock with Adapter The HK Parts UCS adapter and stock for the MP5 pairs our proven stock adapter with Magpul's UCS stock for a compact, adjustable configuration. The UCS stock features a reversible hinge for left and right folding...
    Now: $286.15
    Was: $317.95
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    Now: $286.15
    Was: $317.95
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  • On Sale
    New - H&K MP5 A3 Rear Stock Fork Section With Buttpad - HKP-01044
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    HK MP5 A3 Stock Fork Section With Buttpad

    H&K Heckler & Koch

    Now: $386.95
    Was: $429.95
    H&K MP5 A3 Stock Fork Section With Buttpad A common repair item as the buttpad can crack or break off with time or hard use. A hard-to-find item, available here at HK Parts. For use with new style A3 German stocks, NOT the older style stocks...
    Now: $386.95
    Was: $429.95
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    Now: $386.95
    Was: $429.95
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  • Out Of Stock
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    HK G36 ACR Folding Stock - Picatinny Adapter HK G36 ACR Folding Stock - Picatinny Adapter

    HK G36 ACR Folding Stock - Picatinny Adapter

    HKP HK Parts

    Now: $287.96
    Was: $359.95
    HK G36 ACR Folding Stock w/Picatinny Adapter Add the iconic look and renowned functionality of the ACR stock to your G36 with our adapter and stock combo. The universal Picatinny adapter allows the user to swap the F5 ACR stock to other firearms and...
    Now: $287.96
    Was: $359.95
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    Now: $287.96
    Was: $359.95
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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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  • 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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    Was: $314.95
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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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    Was: $379.95
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  • Out Of Stock
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    New - F5 MFG HK MP5 .22LR Modular Brace System Havoc - Black - HKP-20195 HK MP5 Brace System - Modular - .22LR - Havoc

    HK MP5 Brace System - Modular - .22LR - Havoc

    F5 MFG

    Now: $314.95
    Was: $349.95
    F5 MFG HK MP5 .22LR Modular Brace System Havoc  MBS (Modular Brace System) for the MP5 .22LR. To convert your brace into a stock, simply swap out the brace attachment interface with F5's MSS stock interface in a matter of seconds (NFA rules apply)...
    Now: $314.95
    Was: $349.95
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    Now: $314.95
    Was: $349.95
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  • On Sale
    New - Strike Industries HK MP5 .22LR Dual Folding Stock w/ Adapter - HKP-21769-M HK MP5 .22LR Dual Folding Stock w/ Adapter
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    HK MP5 .22LR Dual Folding Stock w/ Adapter

    B&T Brugger & Thomet / Strike Industries

    Now: $287.95
    Was: $319.95
    Strike Industries HK MP5 .22LR Dual Folding Stock w/ Adapter The Strike Industries Dual Folding Stock paired with the HKP MP5 .22LR picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock...
    Now: $287.95
    Was: $319.95
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    Now: $287.95
    Was: $319.95
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  • New - B&T BT APC, BT GL06 Foldable/Length Adjustable Stock - Black - HKP-18352 B&T APC, GL06 Adjustable Stock - Folding
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    B&T APC, GL06 Adjustable Stock - Folding

    B&T Brugger & Thomet

    $344.95
    B&T BT APC, BT GL06 Foldable/Length Adjustable Stock Swiss made B&T folding & 3 position adjustable stock for the APC and GL06. This is a military grade stock as supplied by B&T to military and law enforcement units worldwide. B&T AG...
    $344.95
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    $344.95
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  • On Sale
    HK MP5, MP5K Folding Stock or Brace - HDA3 HK MP5, MP5K Folding Stock or Brace - HDA3
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    HK MP5, MP5K Folding Stock or Brace - HDA3

    Haga Defense

    Now: $314.95
    Was: $349.95
    HDA3 Stock and Brace for MP5K, SP5K The HDA3 is a modular, USA-made stock and brace system developed by Haga Defense and A3 Industries. Built for strength, adaptability, and cross-platform compatibility, it delivers premium rigidity, smooth...
    Now: $314.95
    Was: $349.95
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    Now: $314.95
    Was: $349.95
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  • On Sale
    New - Strike Industries HK MP5 9mm Dual Folding Stock w/ Adapter - HKP-21768-M HK MP5 9mm Dual Folding Stock w/ Adapter
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    HK MP5 9mm Dual Folding Stock w/ Adapter

    B&T Brugger & Thomet / Strike Industries

    Now: $287.95
    Was: $319.95
    Strike Industries HK MP5 9mm Dual Folding Stock w/Adapter  The Strike Industries Dual Folding Stock paired with the HKP MP5 picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock configuration...
    Now: $287.95
    Was: $319.95
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    Now: $287.95
    Was: $319.95
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  • On Sale
    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

    Now: $265.45
    Was: $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...
    Now: $265.45
    Was: $294.95
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    Now: $265.45
    Was: $294.95
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