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 - B&T APR308 Deployment Bag - With Sling - HKP-21881 B&T APR308 Deployment Bag - With Sling
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    B&T APR308 Deployment Bag - With Sling

    B&T Brugger & Thomet

    Now: $199.95
    Was: $349.95
    B&T APR308 Deployment Bag - With Sling Hidden for years in an unmarked crate, these genuine B&T contracted deployment cases are perfect for keeping your valuable B&T APR rifle safe and secure.  The cases were made in Poland by NFM Group...
    HKP-21881
    Now: $199.95
    Was: $349.95
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    Now: $199.95
    Was: $349.95
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  • New - H&K HK21E/23E Inner & Outer Buffer Compression Springs - HKP-21856 HK21E, HK23E Compression Springs - Inner Buffer, Outer Buffer
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    HK21E, HK23E Compression Springs - Inner Buffer, Outer Buffer

    H&K Heckler & Koch

    $59.95
    H&K HK21E/23E Inner & Outer Buffer Compression Springs An unissued set of inner and outer buffer compression springs for your HK21E/23E buffer, sourced directly from HK Germany. Most HK21E/23E buffers in the U.S are first-generation, which use...
    HKP-21856
    $59.95
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    Qty in Cart: 0
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    $59.95
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  • New - HKP HK MP5K .40/10mm Brace with Brace/Stock Adapter - HKP-21835 HK MP5K Brace with Direct Fit Adapter - .40 S&W, 10mm
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    HK MP5K Brace with Direct Fit Adapter - .40 S&W, 10mm

    HKP HK Parts

    $239.95
    HKP HK Parts Brace with Direct Fit Adapter for HK MP5K .40, 10mm Designed to adapt UMP style and SB Tactical braces directly to the 40,10 K platform. Made in the USA and available exclusively at HK Parts Compatible With: MP5K .40, 10mm
    HKP-21835
    $239.95
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    $239.95
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  • Out Of Stock
    New - B&T USW-G17 Conversion Kit - HKP-21733 B&T USW-G17 Conversion Kit

    B&T USW-G17 Conversion Kit

    B&T Brugger & Thomet

    $550.00
    B&T USW-G17 Conversion Kit Upgrade your Glock 17 with the B&T USW-G17 conversion kit, transforming it into a Universal Service Weapon for enhanced stability and control. This kit includes a folding stock for improved handling, an optics mounting...
    HKP-21733
    $550.00
    Out Of Stock
    Qty in Cart: 0
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    $550.00
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  • New - JMAC Universal Picatinny 8" Triangle Stock with 1913 Folding Mech - HKP-21245 Picatinny 8" Triangle Stock with 1913 Folding Mech
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    Picatinny 8" Triangle Stock with 1913 Folding Mech

    JMAC Customs

    $261.00
    JMAC Triangle Stock 8" Stock with 1913 Folding Mech Features: 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers 7075 T6 Aluminum Hard-Coat Anodized **Not compatible w/LevTech Manufacturing panels...
    HKP-21245
    $261.00
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    Qty in Cart: 0
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    $261.00
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  • New - SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace - FDE - HKP-20352 HK MP5 Pistol Stabilizing Brace - SBA4 - FDE
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    HK MP5 Pistol Stabilizing Brace - SBA4 - FDE

    SB Tactical

    $294.95
    SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace - FDE MP5, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment. This brace is the perfect addition for your MP5, SP5 or clone...
    HKP-20352
    $294.95
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    $294.95
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  • Out Of Stock
    New - H&K 33/91/93/53/G3 (5.56/.223) & (7.62x51/.308) Heavy Rubber Buttpad For HK A2 Fixed Stocks - HKP-00525 HK33, HK91, G3 A2 Fixed Buttstock Buttpad - Heavy Rubber

    HK33, HK91, G3 A2 Fixed Buttstock Buttpad - Heavy Rubber

    H&K Heckler & Koch

    $0.00
    HK German Heavy Rubber Butt Pad The HK German heavy rubber butt pad is a direct replacement to a standard fixed stock butt pad that can be replaced and upgraded in seconds. This butt pad extends the LOP slightly & provides a greater surface area for...
    HKP-00525
    $0.00
    Out Of Stock
    Qty in Cart: 0
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    $0.00
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  • HK MP5 A3 Retractable Buttstock Lever Rebuild Kit HK MP5 A3 Retractable Buttstock Lever Rebuild Kit
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    HK MP5 A3 Retractable Buttstock Lever Rebuild Kit

    H&K Heckler & Koch

    $49.95
    Heckler and Koch Lever Rebuild Kit for A3 Retractable Buttstocks Rebuild kit for worn out or to complete A3 retractable stocks with metal back plate  Compatible with: MP5 HK33 HK91, G3
    HKP-22547
    $49.95
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    $49.95
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  • B&T APC9 Telescopic Stock Screw – M3x8mm B&T APC9 Telescopic Stock Screw – M3x8mm
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    B&T APC9 Telescopic Stock Screw – M3x8mm

    B&T Brugger & Thomet

    $1.67
    B&T APC9 Telescopic Stock Screw – M3x8mm – Factory Swiss Replacement SOLD INDIVIDUALLY Factory Swiss B&T M3x8mm machine screw used in the APC9 telescopic stock assembly. This metric fastener secures key telescopic stock components...
    HKP-99429
    $1.67
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    Qty in Cart: 0
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    $1.67
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  • HK91, G3 A2 Stock - Enhanced Heavy Buffer - Like New - Rare HK91, G3 A2 Stock - Enhanced Heavy Buffer - Like New - Rare
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    HK91, G3 A2 Stock - Enhanced Heavy Buffer - Like New - Rare

    Other

    $274.95
    Rare Saudi Arabian Contract HK91, G3 A2 Stock with HKP Enhanced Heavy Buffer - Tan - Like New VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Original Saudi Arabian contract G3 A2 fixed stock in tan paired with the HKP enhanced heavy buffer for improved...
    HKP-99420
    $274.95
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    $274.95
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  • On Sale
    HK SL8 Buttstock Cheek Riser Piece - BLEMISHED HK SL8 Buttstock Cheek Riser Piece - BLEMISHED
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    HK SL8 Buttstock Cheek Riser Piece - BLEMISHED

    H&K Heckler & Koch

    Now: $17.95
    Was: $34.95
    HK SL8 Stock Cheek Riser Piece - BLEMISHED   VARYING CONDITION SHOWN - SOLD INDIVIDUALLY   MISSING SPACER   COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES...
    HKP-01701-B
    Now: $17.95
    Was: $34.95
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    Now: $17.95
    Was: $34.95
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  • On Sale
    HK MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - HK - USED HK MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - HK - USED
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    HK MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - HK - USED

    H&K Heckler & Koch

    Now: $63.95
    Was: $99.95
    HK MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - HK - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Each pistol end cap is OEM HK German MP5K and MP5K-N and has the HK German factory buffer...
    HKP-00394-USED
    Now: $63.95
    Was: $99.95
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    Qty in Cart: 0
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    Now: $63.95
    Was: $99.95
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