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 - HKP Roller +9 - New - 8.09mm - HKP-19438 HK Roller +9 - New - 8.09mm
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    HK Roller +9 - New - 8.09mm

    HKP HK Parts

    $8.99
    Roller +9 - New - 8.09mm HK Parts Standard (8.09 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...
    HKP-19438
    $8.99
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  • New - HKP MP5 & MP5K 9MM Magazine Follower - RED - HKP-18302 HK MP5, MP5K Magazine Follower - 9mm - RED
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    HK MP5, MP5K Magazine Follower - 9mm - RED

    HKP HK Parts

    $8.95
    HKP MP5 & MP5K 9MM Magazine Follower - RED Teflon infused glass filled polymer red colored follower that will work with all HK MP5, MP5K 9mm curved magazines. A drop in item that allows you to swap the follower to a red follower. A great training or...
    HKP-18302
    $8.95
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  • HK MP5, SP5K Extractor Spring - 9mm HK MP5, SP5K Extractor Spring - 9mm
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    HK MP5, SP5K Extractor Spring - 9mm

    MKE

    $6.95
    MKE HK MP5, MP5K - Extractor Spring - 9mm Extractor spring for all 9mm HK variants including clones. This spring is the #1 repair & replacement item for the MP5 and MP5K family of firearms. Compatible With: HK MP5 HK MP5K HK SP5 HK...
    HKP-22481
    $6.95
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  • New - HKP Spare Buffer For Folding Stocks & End Caps - HKP-17886 HK MP5K, SP5K Spare Buffer for Folding Stocks and End Caps
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    HK MP5K, SP5K Spare Buffer for Folding Stocks and End Caps

    HKP HK Parts

    $9.95
    HKP Spare Buffer For Folding Stocks & End Caps New US manufactured flat style "H"buffer to replace the factory HK buffer on MP5K folding stocks and end caps. As well as a spare or replacement buffer for the MP5 & MP5K folding B&T stocks. Made...
    HKP-17886
    $9.95
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  • New - H&K MP5 , HK94 Factory A3 Stock - HKP-00167 HK MP5, HK94 A3 Retractable Buttstock - Gen 2
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    HK MP5, HK94 A3 Retractable Buttstock - Gen 2

    H&K Heckler & Koch

    $939.95
    HK94, MP5 Stock - A3 - Gen 2 The original Navy-style German HK MP5 A3 stock is no longer in production and have been replaced with the MP5 F-style stock. Each offering is the second generation MP5 A3 Navy-style version with the polymer backplate and...
    HKP-00167
    $939.95
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  • HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Bundesadler HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Bundesadler
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Bundesadler

    H&K Heckler & Koch

    $93.00
    Heckler and Koch 30 Round HK MP5 Bundesadler Magazine   The Bundesadler laser-etched into a factory German H&K magazine. Heckler and Koch German magazine 9mm 30 round curved all steel magazine. German HK MP5, MP5K mags are the finest HK...
    HKP-20914
    $93.00
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  • Used - Universal Cleaning Kit - Used - HKP-15612 HK Rifle Cleaning Kit - Universal - Used
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    HK Rifle Cleaning Kit - Universal - Used

    H&K Heckler & Koch

    $4.95
    Original German Army Issue HK91, G3, PTR Cleaning Kit - Surplus Includes: Brass brush Oil brush Oil tube Hand cleaning brush Pull chain Compatible With: HK91, G3, PTR, C308, CETME HK33, HK33, HK93 HK MP5, MP5SD, HK94 HK MP5K, SP89 HK PSG1, MSG90 HK...
    HKP-15612
    $4.95
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  • New - HKP HK UMP 45, SMG 45 Magazine Loader - HKP-19662 HK UMP 45, SMG 45 Magazine Loader
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    HK UMP 45, SMG 45 Magazine Loader

    HKP HK Parts

    $39.95
    HKP HK UMP 45, SMG 45 Magazine Loader The enhanced loader is the finest loader available for UMP 45 magazines. Speed up your load time and save your thumb in the process. Made in the USA. Compatible With: H&K UMP & USC 45 magazines LWRC SMG 45...
    HKP-19662
    $39.95
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  • Out Of Stock
    New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Barrel Roll Pin - HKP-00603

    HK UMP, USC Barrel Roll Pin

    H&K Heckler & Koch

    $11.94
    Heckler and Koch German made USC and UMP Universal Barrel Roll Pin HK recommends replacing the barrel pin when the barrel is removed with a new barrel pin. This is a great spare part to have on hand. The factory-correct barrel pin for all HK UMP and USC...
    HKP-00603
    $11.94
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  • New - Gear Head Works Tailhook Mod 1 - Black - HKP-19134 Tailhook Mod 1 Brace
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    Tailhook Mod 1 Brace

    Gear Head Works

    $129.95
    Gear Head Works Tailhook Mod 1 The GHW Tailhook clamps to pistol buffer tubes or adapter spuds ranging from 1.17" to 1.2" in diameter. It features a limited rotation sling swivel QD socket as well. Weighing in at a scant 4.5 ounces, you will never feel...
    HKP-19134
    $129.95
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  • Used - Rheinmetall 91/G3/MSG90 20 Round Magazine - Aluminum - Used - HKP-21840 HK91, G3,  PTR Magazine - 20 Round - Aluminum - Rheinmetall - Used
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    HK91, G3, PTR Magazine - 20 Round - Aluminum - Rheinmetall - Used

    Rheinmetall

    $12.95
    Rheinmetall HK G3, HK91, & PTR91 - 20 Round Magazine - Used Perfect for your HK G3/PTR style firearm. The G3 alloy mags were made for the German Army and are no longer in production. Once they are gone, they are gone for good. LAST CALL! Compatible...
    HKP-21840
    $12.95
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  • New - H&K HK MR556/416 Ejection Port Cover - FDE - HKP-18062 HK416, MR556 Ejection Port Cover - FDE
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    HK416, MR556 Ejection Port Cover - FDE

    H&K Heckler & Koch

    $59.95
    HK German HK 416, MR556 Ejection Port Cover In FDE HK manufactured newer polymer style cover assembly found on the latest HK 416 & MR556's. This item can also be used on other AR15 style projects to enhance the build with the finest ejection port...
    HKP-18062
    $59.95
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