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 - HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter - HKP-17138 HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - 9mm
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    HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - 9mm

    HKP HK Parts

    Now: $91.96
    Was: $114.95
    HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR...
    Now: $91.96
    Was: $114.95
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    New - HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B - Push Pin - HKP-16339 HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B - Push Pin

    HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B - Push Pin

    HDPS

    Now: $35.96
    Was: $39.95
    HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B - Push Pin This sling pin will replace the current production stock Block B hardware and upgrade to the Sling Pin Pull Style version.
    Now: $35.96
    Was: $39.95
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  • On Sale
    HK MP5, SP5 ACR Folding Stock w/Adapter HK MP5, SP5 ACR Folding Stock w/Adapter
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    HK MP5, SP5 ACR Folding Stock w/Adapter

    F5 MFG

    Now: $206.95
    Was: $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,...
    Now: $206.95
    Was: $229.95
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    Was: $229.95
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  • On Sale
    New - MI/HKP HK MP5 .22 LR Alpha Folding Brace/Stock Adapter - HKP-21515-M HK MP5 Stock or Brace Adapter - Folding - .22 LR - Alpha
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    HK MP5 Stock or Brace Adapter - Folding - .22 LR - Alpha

    MI Midwest Industries

    Now: $377.95
    Was: $419.95
    MI/HKP HK MP5 .22 LR 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...
    Now: $377.95
    Was: $419.95
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    Was: $419.95
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  • Out Of Stock
    New - H&K G36 IDZ Stock - Concave - HKP-21501 HK G36 IDZ Stock - Concave

    HK G36 IDZ Stock - Concave

    H&K Heckler & Koch

    $0.00
    H&K G36 IDZ Stock Concave When it comes to adjustable, folding G36 stocks, the IDZ tops the list. German made by HK with a concave buttpad for reliability and comfort.   Features: 3 position forward & back 3 cheek piece elevation...
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  • Used - Clubfoot Stock For HK .308 Rifles - Green - HKP-19667 Clubfoot Stock For HK .308 Rifles - Green
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    Clubfoot Stock For HK .308 Rifles - Green

    USA

    $299.95
    US & German HK G3, 91, PTR-91 Or Clone Club Foot Stock HK clubfoot stock comes fully assembled with both US & German H&K parts. Includes: HK 21E Clubfoot central stock section (counts as one US compliant part) HK heavy rubber buttpad USHK...
    $299.95
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  • On Sale
    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

    Now: $179.95
    Was: $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...
    Now: $179.95
    Was: $199.95
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    Was: $199.95
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  • Out Of Stock
    New - H&K HK MR762/417 Buttstock Complete Concave E2 - HKP-16628 HK417, MR762 Buttstock Complete Concave E2

    HK417, MR762 Buttstock Complete Concave E2

    H&K Heckler & Koch

    $199.95
    H&K HK MR762/417 Buttstock Complete Concave E2 Compatible With: HK MR762 HK 417
    $199.95
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    $199.95
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  • On Sale
    New - Magpul HK 91/G3 & 33/93 (7.62x51/.308) PRS Extended Butt Pad - HKP-00843 HK33, HK53, HK93, HK91, G3 PRS Extended Butt Pad
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    HK33, HK53, HK93, HK91, G3 PRS Extended Butt Pad

    Magpul

    Now: $14.36
    Was: $15.95
    Magpul HK 91/G3 (7.62x51/.308) PRS Extended Butt Pad   Replaces standard butt pad and adds 1/2" to the overall length of the PRS stock. This part also adds slightly more cushion as there is more rubber material.   Compatible With: HK91 &...
    Now: $14.36
    Was: $15.95
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    New - HKP ACE Adapter for MP5K, SP89 & SP5K - HKP-18505 HKP ACE Adapter for MP5K, SP89 & SP5K

    HKP ACE Adapter for MP5K, SP89 & SP5K

    HKP HK Parts

    Now: $43.96
    Was: $54.95
    ACE Adapter for MP5K, SP89 & SP5K   Each ACE adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct "H" buffers to protect your expensive firearm. This is the finest ACE adapter...
    Now: $43.96
    Was: $54.95
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    Was: $54.95
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  • On Sale
    Used - H&K HK91/G3 PTR Parkerized Backplate & Recoil Rod Assembly - Threaded - HKP-21647 HK91, G3 PTR Parkerized Backplate, Recoil Rod Assembly
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    HK91, G3 PTR Parkerized Backplate, Recoil Rod Assembly

    H&K Heckler & Koch

    Now: $49.46
    Was: $54.95
    H&K HK91/G3 PTR Parkerized Backplate & Recoil Rod Assembly Our German HK backplate has been expertly refinished and re-parkerized for exceptional durability. This backplate features an innovative guide screw that allows you to effortlessly...
    Now: $49.46
    Was: $54.95
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  • On Sale
    New - HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin - HKP-21504 HK UMP, USC 9mm / .40 S&W / .45 ACP Stock Block B Sling Pin
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    HK UMP, USC 9mm / .40 S&W / .45 ACP Stock Block B Sling Pin

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin The original thumb screw version for all stock block B's.
    Now: $39.96
    Was: $49.95
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