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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  • HK416, MR556 Dual Magazine Clamp New - HKP HK416/MR556 Dual Magazine Clamp - HKP-21553-M
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    HK416, MR556 Dual Magazine Clamp

    HKP HK Parts

    $49.95
    HKP HK MR556/416 Dual Magazine Clamp  Securely hold two HK Maritime 416 magazines together for fast mag swaps. Precision-machined from billet aluminum and cerakoted in the popular RAL8000 or classic black, our dual mag clamp is a must for those...
    HKP-21553-M
    $49.95
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  • HK91, G3, PTR 91 Spare Parts Kit HK91, G3, PTR 91 Spare Parts Kit
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    HK91, G3, PTR 91 Spare Parts Kit

    HKP HK Parts / Heckler & Koch

    $149.95
    HKP HK G3, HK 91, PTR 91 Spare Parts Kit Spare parts kits for the most commonly worn parts needed to keep your HK G3 going. This offering also includes a pouch to safely store all your replacement parts and needed tools to have on hand when required...
    HKP-20684
    $149.95
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  • New - HKP HK UMP, G36 Selector Lever - HKP-20180 HK UMP, G36 Selector Lever
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    HK UMP, G36 Selector Lever

    HKP HK Parts

    $8.95
    HK UMP & G36 Left Side Safety Selector Lever With Axle - Replacement selector for HK PARTS TRIGGER GROUP HK Parts selector lever for the left side of our own 2 position FBI U.S housing for the UMP pictogram lowers. Compatible With: U.S FBI 2...
    HKP-20180
    $8.95
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  • HK UMP Magazine - 30 Round - 9mm HK UMP Magazine - 30 Round - 9mm
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    HK UMP Magazine - 30 Round - 9mm

    H&K Heckler & Koch

    $62.95
    HK Heckler and Koch German 9mm 30 Round Factory Magazine for HK UMP The latest HK German production 30-round magazine is new and hard to find. Compatible With: UMP 9mm USC 9mm conversions Omega 9mm UMP, USC builds
    HKP-00608
    $62.95
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  • New - RCM HK 53 Locking Piece #3 - 58 Degree - HKP-02523 HK53 Locking Piece #3 - 58 Degree
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    HK53 Locking Piece #3 - 58 Degree

    RCM

    $49.99
    RCM HK 53 Locking Piece #3 - 58 Degree This is the proper locking piece for the HK33K and HK53 firearms as well as some HK51 builds.
    HKP-02523
    $49.99
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  • HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Cerakote HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Cerakote
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Cerakote

    MKE

    $64.95
    HK MP5 30 Round Magazine - MKE - AP5 - Cerakote Colors These MKE 30 round magazines are the perfect addition or replacement for your AP5 or MP5. Constructed of heat-treated steel for lasting strength and consistent performance in harsh tactical...
    HKP-21341-M
    $64.95
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  • New - HKP MP5K/SP5K/SP89 Folding Stock Adapter - Black - HKP-20799 HK MP5K, SP5K, SP89 Folding Stock Adapter
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    HK MP5K, SP5K, SP89 Folding Stock Adapter

    HKP HK Parts

    $139.95
    HKP MP5K/SP5K/SP89 Folding Stock Adapter The HK Parts folding stock adapter is the best option to attach onto the UMP style stock or the B&T  folding stock. Will also work on any other stocks that utilizes the same mounting / folding system...
    HKP-20799
    $139.95
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  • New - HKP HK UMP 2 Position Lower Grip Frame - FDE - HKP-19384 HK UMP 2 Position Lower Grip Frame
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    HK UMP 2 Position Lower Grip Frame

    HKP HK Parts

    $184.95
    HKP HK UMP 2 Position Lower Grip Frame Lower grip frame configured for two-position operation. Designed for use with user-supplied internals and suitable for replacement or build use on HK UMP pattern firearms. Commonly used for USC to UMP conversion...
    HKP-19384-M
    $184.95
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  • New - GSG9 HK G36C Gas Piston Rod Spring Assembly - Black - HKP-18250 HK G36C Gas Piston Rod and Spring - Complete Assembly
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    HK G36C Gas Piston Rod and Spring - Complete Assembly

    GSG9

    $82.95
    HK German G36C Gas Piston Rod & Spring Assembly Complete A must have item for HK G36C conversions from SL8's or for spares for your G36C MG. A high wear and replacement part and a must have for spare parts.
    HKP-18250
    $82.95
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  • On Sale
    New - HKP Short Sleeve Tee - Green - HKP-21022-M
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    HKP Shirt - Short Sleeve- Green

    HKP HK Parts

    Now: $8.95
    Was: $14.95
    HKP Short Sleeve Shirt - Green Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Unisex fit Fine cotton High fidelity DTG...
    HKP-21022-M
    Now: $8.95
    Was: $14.95
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  • New - H&K HK USP/USPC Lanyard Loop Insert - HKP-01935 HK USP, USP Compact Lanyard Loop Insert
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    HK USP, USP Compact Lanyard Loop Insert

    H&K Heckler & Koch

    $13.95
    HK USP/USPC Lanyard Loop Insert Compatible With: HK USP 9mm HK USP .40 HK USP Compact 9mm HK USP Compact .40 / .357 HK USP Compact .45
    HKP-01935
    $13.95
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  • New - Maglula Gen 2 AR-15 5.56/.223 Mag Loader/Unloader - HKP-14545 Maglula Gen 2 AR-15 5.56/.223 Mag Loader/Unloader
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    Maglula Gen 2 AR-15 5.56/.223 Mag Loader/Unloader

    Maglula

    $26.95
    Maglula Magazine Loader/Unloader - Generation 2, Lula, 223 Rem/556NATO, Fits AR-15 - Black The Maglula LULA magazine loader & unloader AR-15 for 223 Remington / 5.56mm NATO is a mil-spec tool that allows you to load and unload magazines fast,...
    HKP-14545
    $26.95
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