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 - JMAC Universal Picatinny 8" Stock with 1913 Folding Mech - HKP-21241-M Picatinny 8" Stock with 1913 Folding Mech
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    Picatinny 8" Stock with 1913 Folding Mech

    JMAC Customs

    $274.45 - $278.95
    JMac 8" Stock with 0.275" Cheek Rise - 1913 Attachment Feautures: New Integrated Rubber Buttpad 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding mechanisms 7075...
    $274.45 - $278.95
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    New - JMAC Customs SS-8 w/ 1913 Folding Mech - HKP-20146 Folding Stock - SS-8 with 1913 Folding Mech

    Folding Stock - SS-8 with 1913 Folding Mech

    JMAC Customs

    Now: $256.49
    Was: $284.99
    JMAC Customs SS-8 Folding Stock w/1913 Folding Mech Skeleton stock 8" with 1913 folding mech (not assembled) 2x integrated QD sling socket 8" length Drilled and tapped for optional cheek risers (will be available in the future) Compatible with SIG...
    Now: $256.49
    Was: $284.99
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    Now: $256.49
    Was: $284.99
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  • On Sale
    Used - G3 A2 Adjustable Stock Extension - HKP-00872 G3 A2 Adjustable Stock Extension USA HKP-00872
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    G3 A2 Adjustable Stock Extension

    USA

    Now: $62.96
    Was: $69.95
    HK G3 A2 Adjustable Stock Extension Each stock extension is adjustable in 1/2" increments to enable you to achieve the proper length of trigger pull. This allows you a full 1.50" in length adjustments. These extensions are manufactured using high-impact,...
    Now: $62.96
    Was: $69.95
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  • On Sale
    New - H&K Central Buttstock Section - HK Green - HKP-16987 HK Central Buttstock Section - HK Green
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    HK Central Buttstock Section - HK Green

    H&K Heckler & Koch

    Now: $31.46
    Was: $34.95
    H&K Central Buttstock Section - HK Green This stock section is no longer being manufactured as the G3 and HK91 are out of production.  PLEASE NOTE: These units have handling marks and the price has been set accordingly.
    Now: $31.46
    Was: $34.95
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    Used - H&K MP5 A2 Stock - USED - HKP-00680

    HK MP5 A2 Stock - USED

    H&K Heckler & Koch

    Now: $134.95
    Was: $149.95
    HK MP5 A2 Rear Stock - Used Factory German MP5 A2 stock in excellent condition, ready to drop in. These stocks features authentic date codes for those seeking a classic touch. Don’t miss out. Only a limited number available! Compatible With: MP5 ...
    Now: $134.95
    Was: $149.95
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    Now: $134.95
    Was: $149.95
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  • On Sale
    New - B&T Telescopic Stock Buttplate - HKP-21753 B&T APC223, APC300 Buttplate - Telescopic Stock
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    B&T APC223, APC300 Buttplate - Telescopic Stock

    B&T Brugger & Thomet

    Now: $122.40
    Was: $136.00
    B&T Telescopic Stock Buttplate - Brace Conversion Factory B&T replacement buttplate for B&T APC rifle caliber telescoping stocks.  Can also be used to upgrade a B&T brace to a stock. Compatible With: B&T APC223/300/308 B&T...
    Now: $122.40
    Was: $136.00
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    Was: $136.00
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  • On Sale
    New - Strike Industries HK SP5 Drop-In MOD2 Stock - HKP-21332-M HK SP5 Drop-In MOD2 Stock
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    HK SP5 Drop-In MOD2 Stock

    Strike Industries

    Now: $111.71
    Was: $199.95
    Strike Industries HK SP5 Drop-In MOD2 Stock We pair our SP5 AR stock adpter with this Strike MOD2 stock to give you a drop-in SP5 stock. Give your build a modern look and added comfort and adjustability of the MOD2 stock.  Only available here at HK...
    Now: $111.71
    Was: $199.95
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    Was: $199.95
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  • On Sale
    New - MI Side Folder with Lightweight Stock - HKP-20065 MI Side Folder with Lightweight Stock
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    MI Side Folder with Lightweight Stock

    MI Midwest Industries

    Now: $162.85
    Was: $180.95
    MI Side Folder with Light Weight Stock Features: Made in the USA Heavy-duty side-folding mechanism constructed from 4140 steel Full-length locking lug for maximum strength Solid positive lock up in both positions Steel clamp with large surface...
    Now: $162.85
    Was: $180.95
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    Was: $180.95
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  • On Sale
    New - HKP HK G36, G36K Folding Stock - FDE - HKP-19298 HKP HK G36, G36K Folding Stock - FDE
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    HKP HK G36, G36K Folding Stock - FDE

    HKP HK Parts

    Now: $87.96
    Was: $109.95
    Folding Stock - HK G36, G36K - Full Length Stock HK G36 10.5" Stock complete for G36 firearms. The G36/G36K stock is the longest stock option for the G36 family of firearms. For those that would like a shorter stock to choose the G36C length stock. Each...
    Now: $87.96
    Was: $109.95
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  • Out Of Stock
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    Used - H&K USC/SL8 (.45 ACP/5.56/.223) Buttstock Screw - HKP-01649 HK USC, SL8 Buttstock Allen Screw

    HK USC, SL8 Buttstock Allen Screw

    H&K Heckler & Koch

    Now: $11.65
    Was: $12.95
    Buttstock Allen Screw For HK USC Or HK SL8 rifles. This is the screw that holds the stock assembly onto the upper receiver of the HK USC & SL8.Great for replacements or to have as spares. This item is factory HK and a common spare.
    Now: $11.65
    Was: $12.95
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  • On Sale
    Used - H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - Jungle Green - Surplus - HKP-18935 HK91, G3 Fixed Stock with Enhanced Heavy Buffer - Jungle Green - Surplus
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    HK91, G3 Fixed Stock with Enhanced Heavy Buffer - Jungle Green - Surplus

    H&K Heckler & Koch

    Now: $116.95
    Was: $129.95
    HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed- Jungle Green - Surplus Used jungle green German surplus stock complete with Enhanced Heavy Buffer Installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each...
    Now: $116.95
    Was: $129.95
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    Now: $116.95
    Was: $129.95
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