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 HK MP5K .40/10mm Brace with Brace/Stock Adapter - HKP-21835 HK MP5K Brace with Direct Fit Adapter - .40 S&W, 10mm

    HK MP5K Brace with Direct Fit Adapter - .40 S&W, 10mm

    HKP HK Parts

    Now: $152.97
    Was: $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...
    HKP-21835
    Now: $152.97
    Was: $239.95
    Qty in Cart: 0
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    Now: $152.97
    Was: $239.95
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  • New - JMAC Universal Picatinny 6" Skeletonized Tube with 1913 Folding Mech - HKP-21244

    Picatinny 6" Skeletonized Tube with 1913 Folding Mech

    JMAC Customs

    $227.90
    JMAC 6" Skeletonized Tube with 1913 Folding Mech This M4 tube adapter replaces the standard buffer tube to ensure the stock folds as flat as possible! Fits most M4 style stocks/braces  Features:
    HKP-21244
    $227.90
    Qty in Cart: 0
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    $227.90
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  • New - H&K HK MR762/417 Enhanced Buffer Tube - Black - HKP-16770 HK417,  MR762 Enhanced Buffer Tube

    HK417, MR762 Enhanced Buffer Tube

    H&K Heckler & Koch

    $176.95
    H&K HK MR762/417 Enhanced Buffer Tube/Receiver Extension - Black Brand new factory HK German manufactured MR762, MR308, & HK 417 buffer tube. Compatible With: HK MR762
    HKP-16770
    $176.95
    Qty in Cart: 0
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    $176.95
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  • On Sale
    HK51, PTR PDW Stock - AR15 Style
HK51, PTR PDW Stock - AR15 Style

    HK51, PTR PDW Stock - AR15 Style

    PTR

    Now: $216.72
    Was: $339.95
    HK51, PTR PDW Magpul Stock - AR-15 Style AR15/M16 to HK 90 series stock adapter for the HK51 and PTR PDW. This is a perfect compliment for those that want to use the popular Magpul Moe stock. Each...
    HKP-15753
    Now: $216.72
    Was: $339.95
    Qty in Cart: 0
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    Now: $216.72
    Was: $339.95
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  • HK91, G3 Buffer System - Enhanced HK91, G3 Buffer System - Enhanced

    HK91, G3 Buffer System - Enhanced

    HKP HK Parts

    $97.95
    HKP Enhanced Buffer System for HK91 and G3 HKP enhanced buffer system for HK91 and G3 pattern rifles. Built with a new steel buffer body, new buffer plunger, and a parkerized finish like factory...
    HKP-22866
    $97.95
    Qty in Cart: 0
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    $97.95
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  • B&T APC223, APC300, APC308 Stock or Brace Adapter - Picatinny B&T APC223, APC300, APC308 Stock or Brace Adapter - Picatinny

    B&T APC223, APC300, APC308 Stock or Brace Adapter - Picatinny

    B&T Brugger & Thomet

    $160.00
    B&T APC223/300/308 Stock Adapter - Picatinny This adapter allows the installation of picatinny-style stocks or braces onto B&T APC223, APC300, and APC308 platforms. Compatible With: B
    HKP-22281
    $160.00
    Qty in Cart: 0
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    $160.00
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  • Out Of Stock
    New - H&K HK416 Convex Buttstock w/Wrench - HKP-22025 HK416 Convex Buttstock - Wrench Included

    HK416 Convex Buttstock - Wrench Included

    H&K Heckler & Koch

    $114.95
    H&K HK416 Convex Buttstock w/Wrench Factory-original H&K buttstock with convex buttpad and included tool. Compatible with HK416 rifles using MIL-SPEC buffer tubes (not included).
    HKP-22025
    $114.95
    Qty in Cart: 0
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    $114.95
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  • New - H&K MP5K/SP89/SP5K 9mm Incomplete End Cap - HKP-18208 HK MP5K, SP89, SP5K End Cap, Incomplete - 9mm

    HK MP5K, SP89, SP5K End Cap, Incomplete - 9mm

    H&K Heckler & Koch

    $54.95
    HK Factory German MP5K, SP-89, SP5K End Cap - Incomplete Each pistol end cap is OEM HK German MP5K, MP5K-N, SP5K, SP89 stripped end cap.  Compatible With: MP5K
    HKP-18208
    $54.95
    Qty in Cart: 0
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    $54.95
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  • HK MP5K End Cap MKE HKP-22373 HK MP5K End Cap MKE HKP-22373

    HK MP5K End Cap with Swivel Attachment

    MKE

    $69.95
    MKE End Cap with Swivel Attachment for HK MP5K  Durable factory-style end cap designed for MP5K platforms. Provides a secure sling mounting point for MP5K pistols. <
    HKP-22373
    $69.95
    Qty in Cart: 0
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    $69.95
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  • New - B&T Picatinny Brace/Stock Adapter - APC9/10/40/45 - w/o Hydraulic Buffer - HKP-21759 B&T APC Stock or Brace Adapter - Picatinny - 9mm, 10mm, .40 S&W, .45 ACP - No Hydraulic Buffer

    B&T APC Stock or Brace Adapter - Picatinny - 9mm, 10mm, .40 S&W, .45 ACP - No Hydraulic Buffer

    B&T Brugger & Thomet

    $160.00
    B&T Picatinny Brace and Stock Adapter - APC9, APC10, APC40, APC45 - Without Hydraulic Buffer The B&T alloy stock and brace adapter for the APC9, APC10, APC40, APC45 features a rear Picatinny...
    HKP-21759
    $160.00
    Qty in Cart: 0
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    $160.00
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  • On Sale
    New - HKP - HK MP5 Folding Brace/Stock Adapter - HKP-21217 HK MP5 Brace Adapter - Folding

    HK MP5 Brace Adapter - Folding

    HKP HK Parts

    Now: $95.59
    Was: $149.95
    HKP - HK MP5 Folding Brace Adapter The HK Parts brace adapter is precision-machined from a solid billet of aircraft-grade aluminum and features integrated QD sling attachment points. It is properly...
    HKP-21217
    Now: $95.59
    Was: $149.95
    Qty in Cart: 0
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    Now: $95.59
    Was: $149.95
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