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 HK MR556/MR762/416/417 Eyelet Sling Adapter - RAL 8K - HKP-18855 HK416, HK417, MR556, MR762 Eyelet Sling Adapter - RAL8000
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    HK416, HK417, MR556, MR762 Eyelet Sling Adapter - RAL8000

    H&K Heckler & Koch

    Now: $149.39
    Was: $165.99
    H&K HK MR556/MR762/416/417 Eyelet Sling Adapter - RAL 8K New German HK Factory Eyelet Sling Adapter for Carrying Slings. Compatible With: HK MR556 HK 416 HK MR762 HK 417 HK G28
    Now: $149.39
    Was: $165.99
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    Now: $149.39
    Was: $165.99
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  • On Sale
    New - H&K HK G36/SL8 Sling Pin Forearm Retaining Clip - HKP-16366 HK G36, SL8 Sling Pin Retaining Clip for Handguards
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    HK G36, SL8 Sling Pin Retaining Clip for Handguards

    H&K Heckler & Koch

    Now: $8.96
    Was: $9.95
    HK G36 & SL8 Sling Pin Retaining Clip Compatible With: HK G36 HK G36K- older version only HK SL8-1 , SL8-6 Factory Forearm
    Now: $8.96
    Was: $9.95
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    Now: $8.96
    Was: $9.95
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  • Out Of Stock
    On Sale
    New - HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block C - HKP-02613 HK UMP, USC Stock Block C - 9mm / .40 S&W / .45 ACP

    HK UMP, USC Stock Block C - 9mm / .40 S&W / .45 ACP

    HDPS

    Now: $143.95
    Was: $159.95
    HDPS HK UMP & USC Stock Block C Each unit comes with a new push-pin design. This is the part to use with the ACE hinge part number FSM-TB (push button folding stock) and non-folding push bottom (pig nose). This is just...
    Now: $143.95
    Was: $159.95
    Out Of Stock
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    Now: $143.95
    Was: $159.95
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  • On Sale
    New - SB Tactical HK MP5K SBA5 Pistol Stabilizing Brace - HKP-21795-M HK MP5K Pistol Stabilizing Brace - SBA5
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    HK MP5K Pistol Stabilizing Brace - SBA5

    SB Tactical

    Now: $224.06
    Was: $248.95
    SB Tactical HK MP5K SBA5 Pistol Stabilizing Brace SB Tactical combined with our MP5K end cap creates a true drop-in brace, perfect for those seeking the flexibility that the SBA5 pistol stabilizing brace offers. With a 5-position adjustable length, this...
    Now: $224.06
    Was: $248.95
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    Now: $224.06
    Was: $248.95
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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
    Was: $99.95
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  • On Sale
    New - B&T SPC9 Complete Stock Conversion Kit - HKP-21731 B&T SPC9/10/45 Complete Stock Conversion Kit
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    B&T SPC9/10/45 Complete Stock Conversion Kit

    B&T Brugger & Thomet

    Now: $148.50
    Was: $165.00
    B&T SPC9, SPC10, SPC45 Complete Stock Conversion Kit Factory B&T kit to convert the B&T retractable brace to a retractable stock configuration. Includes: Buttplate Limiter Screws Compatible With: B&T SPC9 B&T SPC10 B&T...
    Now: $148.50
    Was: $165.00
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    Now: $148.50
    Was: $165.00
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  • On Sale
    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

    Now: $377.95
    Was: $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...
    Now: $377.95
    Was: $419.95
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    Now: $377.95
    Was: $419.95
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  • On Sale
    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

    Now: $170.95
    Was: $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...
    Now: $170.95
    Was: $189.95
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    Now: $170.95
    Was: $189.95
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  • On Sale
    New - B&T TP9/TP380 Stock Conversion Kit - HKP-19128 B&T TP9, MP9, TP380 Stock Conversion Kit
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    B&T TP9, MP9, TP380 Stock Conversion Kit

    B&T Brugger & Thomet

    Now: $133.16
    Was: $147.95
    Stock Conversion Kit - TP9, MP9, TP380 Converts B&T's telescopic brace into a telescopic stock. Compatible with B&T part number BT-20522 for TP9, TP380. Compatible With: B&T TP9, MP9 B&T TP380
    Now: $133.16
    Was: $147.95
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    Now: $133.16
    Was: $147.95
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  • On Sale
    New - B&T TP9/MP9 Locking Bar Folding Stock - Black - HKP-17302
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    B&T TP9/MP9 Locking Bar Folding Stock

    B&T Brugger & Thomet

    Now: $17.95
    Was: $19.95
    B&T TP9/MP9 Locking Bar Folding Stock Locking Bar for Swiss B&T manufactured Tactical Folding Stock For The TP9 & MP9. Compatible With: B&T TP9 B&T MP9
    Now: $17.95
    Was: $19.95
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    Now: $17.95
    Was: $19.95
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  • On Sale
    New - HK USC (.45 ACP) USC to UMP Conversion ACR Stock Block - HKP-17357 HK USC (.45 ACP) USC to UMP Conversion ACR Stock Block
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    HK USC (.45 ACP) USC to UMP Conversion ACR Stock Block

    Now: $125.95
    Was: $139.95
    HK USC To ACR Stock Adapter A new product that allows you to add the widely popular Remington ACR folding, adjustable stock to your USC-UMP conversion. This offering is for the stock block and hardware to attach your ACR stock for your HK USC when doing...
    Now: $125.95
    Was: $139.95
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    Now: $125.95
    Was: $139.95
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  • On Sale
    Used - H&K 91/G3 (7.62x51/.308) Stock Set w/ Backplate - Black - Used Good - HKP-16205 HK 91, G3 Stock Set w/ Backplate - Black - Used Good
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    HK 91, G3 Stock Set w/ Backplate - Black - Used Good

    H&K Heckler & Koch

    Now: $269.95
    Was: $299.95
    Original G3, 91, PTR German Army Used Surplus Black Stock Set - Complete  Factory HK German production. Each stock set is used but in perfect working order. Each set is in overall good condition. Most will clean up nicely with a little TLC...
    Now: $269.95
    Was: $299.95
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    Now: $269.95
    Was: $299.95
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