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 - GSG9 HK G36K Forearm - Black - HKP-18217 HK G36K Handguard
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    HK G36K Handguard

    GSG9

    $120.95
    GSG9 Handguard with Hand Stop and Heat Shield for HK G36K HK G36K length latest production HK G36K handguard with built in heat shield. Each unit features a built in hand stop with sling attachment points. Built in hard mounting points for adding...
    HKP-18217
    $120.95
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  • New - Choate HK MP5K/SP89 & Zenith Model Z-5P/Z-5K M4 Telescoping Stock - Black - HKP-19893 HK MP5K, SP89, Z-5P, Z-5K M4 Telescopic Stock
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    HK MP5K, SP89, Z-5P, Z-5K M4 Telescopic Stock

    Choate

    $239.95
    Choate M4 Telescopic Stock HK MP5K, SP89 and Zenith Models Z-5P, Z-5K  The telescopic stock for the H&K MP5K and SP89 and Zenith Firearms models Z-5P and Z-5K replaces the existing stock and gives the shooter the ability to change the...
    HKP-19893
    $239.95
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  • New - H&K HK 417/MR762 Magazine Catch - HKP-16681 HK417, MR762 Magazine Catch
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    HK417, MR762 Magazine Catch

    H&K Heckler & Koch

    $49.95
    Heckler and Koch Magazine Catch for HK417 and HK MR762  This is the actual mag catch for the MR762 and HK417 family of firearms. A great spare to have on hand. Compatible With: HK417, MR762
    HKP-16681
    $49.95
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  • New - H&K HK MR556/416 Ejector Spring - HKP-02538
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    HK416, MR556 Ejector Spring

    H&K Heckler & Koch

    $39.99
    Heckler and Koch HK416 and HK MR556 Ejector Spring Compatible With: HK 416, MR556
    HKP-02538
    $39.99
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  • New - HK G36/MR556/416 (5.56/.223) Chamber Cleaning Brush - HKP-00803
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    HK416, MR556, G36 Barrel Chamber Cleaning Brush

    HKP HK Parts

    $24.95
    HK G36 & HK SL8 German Chamber Cleaning Brush (Cleans INSIDE Chamber) More details...
    HKP-00803
    $24.95
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  • Out Of Stock
    New - H&K G36 (5.56/.223) Catch, Trip Lever - HKP-01870 HK G36 Catch

    HK G36 Catch

    H&K Heckler & Koch

    $14.95
    Heckler and Koch HK G36 Catch, Trip Lever for bolt catch contact on All G36 Lowers   As the bolt carrier moves forward the bottom of the carrier contacts the releaser lever of the catch. The catch releases the hammer, and the hammer begins to fall...
    HKP-01870
    $14.95
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  • New - H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Index Plate - HKP-01860
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    HK UMP, USC, G36, SL8 Index Plate

    H&K Heckler & Koch

    $9.95
    HK Index Plate For All UMP, USC, G36, & SL8 Lowers Compatible With: HK UMP HK USC HK G36 HK SL8
    HKP-01860
    $9.95
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    $9.95
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  • New - H&K UMP (.40 S&W) 30 Round Magazine - HKP-00607 HK UMP Magazine - 30 Round - .40 S&W
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    HK UMP Magazine - 30 Round - .40 S&W

    H&K Heckler & Koch

    $79.95
    HK Heckler and Koch German .40 S&W 30 Round Factory Magazine for HK UMP New factory fresh production HK magazine. Compatible With: HK UMP .40 HK USC-UMP conversions LWRC SMG.40
    HKP-00607
    $79.95
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  • New - HKP HK UMP (9mm ) 15 Round Magazine - HKP-17849 HK UMP 9mm  15 Round Magazine
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    HK UMP 9mm 15 Round Magazine

    HKP HK Parts

    $49.95
    UMP 9mm 15 Round Factory Magazine - USA UMP 15 round magazine for the UMP. Each magazine features steel feed lips, and a full 15 round magazine capacity. A small compact magazine for specific operational requirements. Each magazine counts as 3 U.S. Made...
    HKP-17849
    $49.95
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  • New - HKP MP5, HK94 Cocking Tube - For Lefties - HKP-17380 HK MP5, HK94 Cocking Tube - LH
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    HK MP5, HK94 Cocking Tube - LH

    HKP HK Parts

    $119.95
    HKP MP5, HK94 Cocking Tube - For Lefties This is the one and only left handed cocking tube for the MP5/HK94 ever made and it happens to be a US manufactured part. Features include enlarged charging handle clamping pin access hole as found on the latest...
    HKP-17380
    $119.95
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  • Out Of Stock
    New - HK MR556, 416 & AR15, M4 Stock - PDWC - Extended Buttpad - HKP-17800 HK MR556, 416 & AR15, M4 Stock - PDWC - Extended Buttpad HKP HK Parts HKP-17800

    HK416, MR556, AR-15 PDWC Stock - Extended Buttpad

    HKP HK Parts

    $0.00
    HK 416C Style With Extended Buttpad - PDW Stock For AR15, MR556, HK416 & M4 Models The first PDW style stock that does NOT require a proprietary bolt carrier or special components. A true drop-in PDW stock solution for your HK 416C or AR/M4 PDW...
    HKP-17800
    $0.00
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  • Used - G3 A2 Adjustable Stock Extension - HKP-00872 G3 A2 Adjustable Stock Extension USA HKP-00872
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    HK G3 A2 Adjustable Stock Extension

    USA

    $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,...
    HKP-00872
    $69.95
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