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 Mens Long Sleeve Bundesadler Shirt - Black - HKP-21179-M HK Men's Shirt - Long Sleeve - Bundesadler - Black
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    HK Men's Shirt - Long Sleeve - Bundesadler - Black

    HKP HK Parts

    $29.95
    HKP Mens Long Sleeve Bundesadler Shirt - Black 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: 100%...
    HKP-21179-M
    $29.95
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    New - Zenith 30 Round HK MP5 Monkey Subsonic Labeled Magazine - HKP-20916 HK MP5 Magazine - Monkey Subsonic Labeled - 30 Round

    HK MP5 Magazine - Monkey Subsonic Labeled - 30 Round

    Zenith

    $43.95
    Zenith 30 Round HK MP5 Monkey Subsonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...
    HKP-20916
    $43.95
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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 - Franklin Armory HK MP5-AR Binary Trigger Group - HKP-20642 HK MP5, HK94, SP5 Binary Trigger Group - Ambi - BFSIII -  9mm
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    HK MP5, HK94, SP5 Binary Trigger Group - Ambi - BFSIII - 9mm

    FA Franklin Armory

    $849.95
    Franklin Armory BFSIII HK-C1 - Trigger Group For  MP5, SP5 Our new and improved HK-AR Navy ambidextrous lower housing is now paired with Franklin Armory binary trigger pack and a Magpul MOE grip to make this complete MP5-AR style binary trigger...
    HKP-20642
    $849.95
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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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  • 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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    New - Geissele HK MR556 Trigger - HKP-16464 HK416, MR556 2-Stage Trigger

    HK416, MR556 2-Stage Trigger

    Geissele

    $489.95
    Geissele Automatic's two stage trigger for the HK MR 556 rifle. The HK MR556 trigger is similar to Geissele's SSA with a 4.5 total pull weight. It can be used in both the HK 556 and semi-auto HK 416's. Each Trigger comes with full installation...
    HKP-16464
    $489.95
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    New - H&K HK G36C/G36K Gas Piston - HKP-00352

    HK G36C, G36K Gas Piston

    H&K Heckler & Koch

    $99.95
    HK German G36C & G36K Gas Piston - Complete New HK German factory G36C and G36K gas piston complete with sealing rings installed. A great spare or replacement part. This is also a popular part for those upgrading to an SL8 to G36K or C barrel length...
    HKP-00352
    $99.95
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  • HK UMP (9mm) 30 Round Magazine HK UMP (9mm) 30 Round Magazine
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    HK UMP (9mm) 30 Round Magazine

    H&K Heckler & Koch

    $62.95
    HK German UMP 9mm 30 Round Factory Magazine 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 - HKP Tactical Rail - 6 Inch - HK91/93 - HKP-00831 HK91, G3 Tactical Rail - 6 Inch
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    HK91, G3 Tactical Rail - 6 Inch

    HKP HK Parts

    $24.95
    HKP Tactical Rail - 6 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...
    HKP-00831
    $24.95
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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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