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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  • New - B&T MBT Folding Stock for APC9/40/45 - Includes Hydraulic Buffer - HKP-21749 B&T APC9, 40, 45 MBT Folding Stock - Includes Hydraulic Buffer
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    B&T APC9, 40, 45 MBT Folding Stock - Includes Hydraulic Buffer

    B&T Brugger & Thomet

    $625.00
    B&T MBT folding stock for APC 9/40/45. Polymer stock and adapter with hydraulic buffer included.  Features: 8-position length adjustment Telescoping cheek riser with 3-position height adjustment Folds to the right canted downward 3.5...
    HKP-21749
    $625.00
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    $625.00
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  • New - Magpul HK MP5, HK94, HK93 MOE SL-K Stock - Black - HKP-20490 HK MP5, HK93 Stock - MOE SL
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    HK MP5, HK93 Stock - MOE SL

    Magpul

    $189.95
    Magpul HK MP5, HK94, HK93 MOE SL-K Stock Magpul MOE SL-K MP5 ,HK 94, HK93 complete stock ready to drop in. Great option for those looking for different length options. Sleek and perfectly designed. The SL-K is designed for compact PDW style weapons or...
    HKP-20490
    $189.95
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    $189.95
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  • Used - H&K HK 91/G3/PTR Fixed Stock Complete w/ Enhanced Heavy Buffer - Surplus - Black - HKP-20069 HK91, G3 PTR Fixed Stock Complete with Enhanced Heavy Buffer - Surplus - Black
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    HK91, G3 PTR Fixed Stock Complete with Enhanced Heavy Buffer - Surplus - Black

    H&K Heckler & Koch

    $349.95
    German G3, 91, PTR Stock complete with Enhanced Heavy Buffer - Surplus Used black German stock complete with Enhance DMR buffer installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts...
    HKP-20069
    $349.95
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    $349.95
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  • New - Midwest Industries B&T APC Brace/Stock Adapter - HKP-19673 Midwest Industries B&T APC Brace/Stock Adapter
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    Midwest Industries B&T APC Brace/Stock Adapter

    $69.95
    Midwest Industries B&T APC Brace/Stock Adapter  Features: Made in the USA Easy installation Adds section of picatinny rail to back of receiver for stocks, arm braces, and sling adapters Constructed of 6061 aluminum hardcoat anodized Compatible...
    HKP-19673
    $69.95
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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
    HKP-16628
    $199.95
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    $199.95
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  • Used - H&K 91/G3 (7.62x51/.308) Stock Set w/ Backplate - Black - Used Good - HKP-16205 HK91, G3 Stock Set with Backplate - Black - Used Good
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    HK91, G3 Stock Set with Backplate - Black - Used Good

    H&K Heckler & Koch

    $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...
    HKP-16205
    $299.95
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    $299.95
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  • On Sale
    New - Magpul M-LOK Bipod Mount - HKP-17269
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    M-LOK Bipod Mount

    Magpul

    Now: $19.95
    Was: $29.95
    Magpul M-LOK Bipod Mount The Magpul M-LOK Bipod Mount allows for the attachment of Harris®-style stud mounted bipods to M-LOK compatible hand guards and forends. The M-LOK Bipod Mount offers a low-profile, robust, and elegant mounting solution for...
    HKP-17269
    Now: $19.95
    Was: $29.95
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  • Out Of Stock
    New - HKP ACE Adapter for MP5K, SP89 & SP5K - HKP-18505 HK MP5K, SP89, SP5K Stock or Brace Adapter - ACE Style

    HK MP5K, SP89, SP5K Stock or Brace Adapter - ACE Style

    HKP HK Parts

    $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...
    HKP-18505
    $54.95
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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: $49.95
    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...
    HKP-20118-B
    Now: $49.95
    Was: $99.95
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  • Out Of Stock
    New - Brace Conversion Kit for BT-20506/20411(GHM9/GHM45/KH9) - HKP-21736

    BT-20506, 20411 - GHM9, GHM45, KH9 Brace Conversion Kit

    B&T Brugger & Thomet

    $130.00
    Brace Conversion Kit for BT-20506/20411(GHM9/GHM45/KH9) Easily convert your B&T folding stock into a brace-compatible setup with this precision Brace Conversion Kit, designed for use with BT-20506 and BT-20411 stock assemblies. This kit enables...
    HKP-21736
    $130.00
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    $130.00
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  • Out Of Stock
    New - HK MR556 Eyelet Sling Adapter - HKP-21064-M HK416, HK417, MR556, MR762 Eyelet Sling Adapter

    HK416, HK417, MR556, MR762 Eyelet Sling Adapter

    HKP HK Parts

    $89.95
    HK MR556, MR762 Eyelet Sling Adapter for Carrying Sling  Eyelet sling adapter for HK MR556 and MR762 platforms. Designed to match RAL8000 and tanodized handguards, this adapter installs at the front of the rail to provide a secure sling attachment...
    HKP-21064-M
    $89.95
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    $89.95
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  • Out Of Stock
    On Sale
    New - GSG9 HK SP5 US Rear Stock w/ HK Parts Adapter - HKP-20662 HK SP5 Stock with HKP Adapter

    HK SP5 Stock with HKP Adapter

    HKP HK Parts / GSG9

    Now: $189.95
    Was: $259.95
    GSG9 US Folding Stock with HK Parts Adapter for HK SP5 GSG9 US folding stock paired with an HK Parts SP5 adapter. Configured as a direct-fit stock assembly for the SP5 platform. Specifications: CNC machined adapter Solid billet aircraft-grade...
    HKP-20662
    Now: $189.95
    Was: $259.95
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    Now: $189.95
    Was: $259.95
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