HK Rifle / SMG Parts

HK Rifle / SMG Parts

Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

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  • New - H&K HK94 SD Style Barrel Shroud - HKP-02100
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    HK94 Barrel Shroud - SD Style

    H&K Heckler & Koch

    $99.95
    Heckler and Koch HK94 SD Style Barrel Shroud Features: Fits all factory HK94 rifles or barrels Made to factory German HK94 specs.  Designed to cover the 16" barrel Provides a neat SD style look without the cost of a full conversion Made of...
    HKP-02100
    $99.95
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  • New - Strike Industries QD & Sling Hook Sling Attachement - HKP-17381
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    QD and Sling Hook Sling Attachement

    Strike Industries

    $29.95
    Ambush QD Sling Loop The Strike Industries Ambush low profile sling loop is the lowest profile sling loop designed for the MIL-STD-1913 rail. Made of solid steel, its unique locking bar design system allows for it to be lightweight and durable. Because...
    HKP-17381
    $29.95
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  • On Sale
    New - HKP (5.56/.223) A5 4 Prong Flash Hider - Threaded 1/2x28 - HKP-21275 HK416, MR556 Flash Hider - A5 4-Prong Style - Threaded 1/2x28
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    HK416, MR556 Flash Hider - A5 4-Prong Style - Threaded 1/2x28

    HKP HK Parts

    Now: $19.95
    Was: $39.95
    HKP (5.56x.223) A5 4 Prong Flash Hider - Threaded 1/2x28 Made from ordnance grade steel, heat treated, and nitrided for longevity. Machined correctly to reduce tuning fork noise. Counts as one US made compliant part. Available exclusively at HK Parts...
    HKP-21275
    Now: $19.95
    Was: $39.95
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  • On Sale
    New - JMAC G36/HK33 Compensator 15F KeyMount (KeyMicro) - HKP-21254 HK G36, HK33 Compensator - 15x1 RH - KeyMount (KeyMicro)
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    HK G36, HK33 Compensator - 15x1 RH - KeyMount (KeyMicro)

    JMAC Customs

    Now: $59.95
    Was: $99.95
    JMAC G36/HK33 (5.56/.223) Recoil Reduction Device - 2 Port Compensator 15-1 Threads - KeyMount (KeyMicro) Can be permanently attached to a 14.5" barrel to achieve 16" OAL. Compatible With: HK G36C (NOT compatible with first gen. HK G36C & Tommy...
    HKP-21254
    Now: $59.95
    Was: $99.95
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  • New - Modular Folding Stock System - HK MP5, SP5 - HKP-19484 Modular Folding Stock System - HK MP5, SP5
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    Modular Folding Stock System - HK MP5, SP5

    F5 MFG

    $449.95
    Modular Folding Stock System - HK MP5 The telescoping, left side-folding polymer stock is fully adjustable for comb height and length of pull, making it a versatile option for the most advanced applications. Features: MP5 adapter machined from 6061...
    HKP-19484
    $449.95
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  • New - H&K G36 (5.56/.223) 10 Round Factory Magazine - Black - HKP-01083 HK G36 Magazine - 10 Round - Factory
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    HK G36 Magazine - 10 Round - Factory

    H&K Heckler & Koch

    $70.95
    HK G36 Black 10-Round Magazine   Compatible With: G36 G36K G36C Double stack capacity magwell converted SL8's. Features: Capacity: 10 rounds Condition: New Manufactured: HK Germany factory
    HKP-01083
    $70.95
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  • New - RCM HK53 .300 BLK Barrel - Threaded 5/8x24 - HKP-13907 HK53 Barrel - .300 BLK - 8.20" - Threaded 5/8x24
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    HK53 Barrel - .300 BLK - 8.20" - Threaded 5/8x24

    RCM

    $239.95
    RCM HK53 .300 BLK Barrel - Threaded 5/8x24 Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and suppressors with the 5/8x24 thread pitch. Although, this barrel is perfect for just about any .300 BLK suppressor...
    HKP-13907
    $239.95
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  • HK G3 Parts Kit - FMP HK G3 Parts Kit - FMP
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    HK G3 Parts Kit - FMP

    FMP HK CONTRACT

    $159.95
    FMP - G3 Parts Kit - With Alloy Mag The G3 has been an iconic battle rifle utilized all over the world and revered as one of the best that H&K has offered. These kits are de-milled G3's that were licensed by H&K and manufactured in Portugal by...
    HKP-22531
    $159.95
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  • HK MP5, MP5K Faux Suppressor - KAC Style - 1/2x28 HK MP5, MP5K Faux Suppressor - KAC Style - 1/2x28
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    HK MP5, MP5K Faux Suppressor - KAC Style - 1/2x28

    MFI

    $138.95
    MFI HK MP5K, SP5K KAC-Navy Faux Suppressor - 1/2x28 The MFI faux KAC-Navy suppressor is designed to thread onto any 1/2x28 barrels and fully enclose the 3-lugs, ensuring an authentic looking fit and finish. Inspired from the coveted KAC MP5N suppressor,...
    HKP-22364
    $138.95
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  • New - H&K MR556 A4 11″ 5.56 M-LOK Upper Receiver Kit - HKP-21910 HK MR556 A4 Upper Receiver Kit - 11"-  M-LOK
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    HK MR556 A4 Upper Receiver Kit - 11"- M-LOK

    H&K Heckler & Koch

    $1,998.95
    H&K Heckler & Koch MR556 Upper Receiver Kit A4 -11″ - M-LOK  This kit includes a complete upper receiver/barrel assembly, allowing Mil-Spec 5.56mm AR-style rifles to be retrofitted to HK’s piston and pusher rod system. This...
    HKP-21910
    $1,998.95
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  • New - HKP Torx Binary Upgrade Screw Set - HKP-21816
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    HK Torx Screw Set for Binary Selector Lever - Upgrade

    HKP HK Parts

    $2.95
    HKP Torx Binary Upgrade Screw Set Upgrade your binary selector levers with our Torx hardware set.  Torx hardware is less likely to strip than standard allen key hardware.  Good spares to have on hand as well. Note: Each set comes with 2 screws.
    HKP-21816
    $2.95
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    $2.95
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  • New - HKP HK21/FMP21 Teardrop Rail Set - HKP-21671 HK21, FMP21 Teardrop Rail Set - T-Rail
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    HK21, FMP21 Teardrop Rail Set - T-Rail

    HKP HK Parts

    $197.95
    HKP HK21/FMP21 Teardrop Rail Set HK teardrop style reinforcement rails. The ultimate choice for period correct builds. Expertly crafted in the USA from high-quality 4140 steel, these ready-to-weld rails are engineered for precision and durability...
    HKP-21671
    $197.95
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