MP5 / SP5 Stocks / Braces / Slings

MP5 / SP5 Stocks / Braces / Slings

Enhance your MP5/SP5’s comfort and stability with our wide range of stocks, braces, and slings. Whether you're looking for a fixed stock, collapsible brace, or tactical sling, our H&K accessories improve control and ergonomics for your MP5/SP5. Choose from premium options built for durability.

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  • Used - H&K German Leather Sling - Well Used with No Loop - HKP-20583 HK German Leather Sling - Well Used with No Loop
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    HK German Leather Sling - Well Used with No Loop

    H&K Heckler & Koch

    $39.80
    Original Surplus German HK Leather - Well Used with No Loop Pulled from German military G3 rifles. Last of the remaining units, get them before they are gone. Compatible With: HK91 G3 PTR91 & CETMEHK93 33 53HK94 MP5HK clones Other custom...
    $39.80
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    $39.80
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  • New - B&T HK MP5 Adapter for Folding Stock - HKP-21751 HK MP5 Adapter - Folding Stock
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    HK MP5 Adapter - Folding Stock

    B&T Brugger & Thomet

    $114.95
    B&T HK MP5 Adapter for Folding Stock Upgrade your MP5 platform with precision Swiss engineering. The Brügger & Thomet HK MP5 Adapter for Folding Stock is designed to provide a secure and reliable mounting interface for B&T’s...
    $114.95
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    $114.95
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  • New - H&K MP5 A3 Retractable Stock Sling Attachment Bar- Weldable - HKP-17427 HK MP5 A3 Retractable Stock Sling Attachment Bar- Weldable
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    HK MP5 A3 Retractable Stock Sling Attachment Bar- Weldable

    H&K Heckler & Koch

    $9.95
    HK MP5 A3 Retractable Stock Sling Bar This part offering is a factory German HK part new unpainted and ready to weld to your application. Can also be used for upgrading a non-ambi stock to an ambi stock by attaching the sling bar to the A3 stock...
    $9.95
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    $9.95
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  • New - B&T MP5 Folding Stock/Length Adjustable Helmet Stock - HKP-18244 B&T MP5 Folding Stock/Length Adjustable Helmet Stock
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    B&T MP5 Folding Stock/Length Adjustable Helmet Stock

    B&T Brugger & Thomet

    $379.95
    B&T MP5 Folding Stock/Length Adjustable Helmet Stock Swiss made B&T folding and length adjustable helmet stock for the HK MP5 and compatible HK MP5 style firearms. This is a military grade stock as supplied by B&T to military and law...
    $379.95
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  • New - Ergo 1 1/2" Harris Bipod Slide Mount With Sling Stud - HKP-15737 Ergo 1 1/2" Harris Bipod Slide Mount With Sling Stud Ergo HKP-15737
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    Ergo 1 1/2" Harris Bipod Slide Mount With Sling Stud

    Ergo

    $19.95
    Ergo 1 1/2" Harris Bipod Slide Mount With Sling Stud The ERGO 1.5" Bipod Slide Mount slides onto 1913 Picatinny rail, allowing shooters to mount a variety of rail accessories, including swivels or bipods. Features: Slides onto Picatinny rails and held...
    $19.95
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    $19.95
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  • On Sale
    MKE HK MP5/AP5 End Cap Complete MKE HKP-22258 MKE HK MP5/AP5 End Cap Complete MKE HKP-22258
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    HK MP5, AP5 End Cap - Complete

    MKE

    Now: $64.95
    Was: $89.95
    MKE HK MP5/AP5 End Cap Complete Replacement end cap made by MKE on HK tooling. This robust all-steel end cap is a superior upgrade from the standard polymer options. It not only features an integrated H buffer for enhanced performance but also includes a...
    Now: $64.95
    Was: $89.95
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  • On Sale
    New - HK MP5 QD End Cap with Buffer - Black - BLEMISHED - HKP-20118-B HK MP5 QD End Cap with Buffer - Black - BLEMISHED
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    HK MP5 QD End Cap with Buffer - Black - BLEMISHED

    HKP HK Parts

    Now: $37.46
    Was: $99.95
    HK MP5 QD End Cap with Buffer - Black - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. With this MP5 QD end cap upgrade you will get a heavier buffer...
    Now: $37.46
    Was: $99.95
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    Now: $37.46
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  • New - MI/HKP HK MP5 Alpha Folding Brace/Stock Adapter - HKP-21512-M HK MP5 Stock or Brace Adapter - Folding - Alpha
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    HK MP5 Stock or Brace Adapter - Folding - Alpha

    MI Midwest Industries

    $419.95
    MI/HKP HK MP5 Alpha Folding Brace/Stock Adapter The Midwest Industries Alpha folding stock paired with the HK Parts Picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your exact style of...
    $419.95
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    $419.95
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  • New - Magpul HK SP5 Adapter Brace with Stock - HKP-21411-M HK SP5 Stock with Stock or Brace Adapter
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    HK SP5 Stock with Stock or Brace Adapter

    Magpul

    $189.95
    Magpul HK SP5 Adapter Brace with Stock SP5 DT Magpul stock ready to drop in on any in-spec SP5 receiver or clone. We take our AR SP5 Adapter and attach it onto a mil-spec buffer tube. We then drop it on to the new Magpul DT Carbine stock. This is a great...
    $189.95
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    $189.95
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  • New - Magpul HK MP5 Adapter Brace with Stock - HKP-21402-M HK MP5 Stock with Brace Adapter
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    HK MP5 Stock with Brace Adapter

    Magpul

    $189.95
    Magpul HK MP5 Adapter with Stock MP5 DT Magpul stock ready to install on any in-spec MP5 receiver or clone. We take our AR MP5 Adapter and attach it onto a mil-spec buffer tube before combining it with the new Magpul DT Carbine stock. This is a great...
    $189.95
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    $189.95
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  • ACR Folding Stock - Telescopic 7 Position - Picatinny Rail ACR Folding Stock - Telescopic 7 Position - Picatinny Rail
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    ACR Folding Stock - Telescopic 7 Position - Picatinny Rail

    F5 MFG

    $249.95
    F5 ACR Folding Stock - Picatinny Mount - Universal The F5 ACR folding stock easily attached to any Picatinny rail, giving the user the versatility of swapping between any Picatinny equipped firearm. Features: 7-position...
    $249.95
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    $249.95
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  • New - Magpul M-Lok Paraclip Sling Mount - HKP-21874 M-Lok Paraclip Sling Mount
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    M-Lok Paraclip Sling Mount

    Magpul

    $19.95
    Magpul M-Lok Paraclip Sling Mount The M-LOK Paraclip Sling Mount is a steel clip-in sling mount for M-LOK compatible systems. It is constructed of high-grade, precision cast steel and has an extremely durable QPQ salt bath nitride finish. With a...
    $19.95
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