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 G36 (5.56/.223) 3 Position Navy Trigger Group - HKP-00629 HK G36 Trigger Group - SEF Navy

    HK G36 Trigger Group - SEF Navy

    H&K Heckler & Koch

    $899.95
    New HK German G36 3 Position Navy (0, 1, F) Trigger Group Complete Perfect for the HK SL8-G36 semi-conversions.
    HKP-00629
    $899.95
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    New - H&K G36/SL8 Dual/Single Optic Front Sight Screw - Extended - HKP-00801

    HK G36, SL8 Front Sight Screw - Dual and Single Optics - Extended

    H&K Heckler & Koch

    $9.95
    Dual/Single Optic Longer Front Sight Screw - HK German HK German manufacturer. This is a required part if you want to install either the dual or single optic.   Compatible With: HK G36 HK SL8
    HKP-00801
    $9.95
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  • New - B&T HK G36/SL8 (5.56/.223) Mounting Rail - HKP-16867 HK G36, SL8 Optic Mount, Carry Handles
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    HK G36, SL8 Optic Mount, Carry Handles

    B&T Brugger & Thomet

    $139.95
    B&T HK G36/SL8 Optic Mounting Rail B&T optic mounting rail for HK G36, SL8 HK carry handles, Spanish Military version.  Specifications: Height: 23.7 mm Width: 26.9 mm Weight: 113 g Material: Aluminum Treatment: Hardcoat anodized
    HKP-16867
    $139.95
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  • New - H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Burst Lower Slide (0,1,2) - HKP-01887
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    HK UMP, G36 Burst Lower Slide (0,1,2) - .40 S&W / .45 ACP / 9mm / 5.56 / .223

    H&K Heckler & Koch

    $14.95
    HK G36 & UMP Slide For 3 Position Burst Only Lowers - 0,1,2 Only  Compatible With: HK UMP HK G36    
    HKP-01887
    $14.95
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  • New - GSG9 UMP 9mm Barrel - Threaded 1/2x28 - 3-Lug - HKP-02281
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    HK UMP Barrel - 9mm - Threaded 1/2x28 with 3 Lug

    GSG9

    $349.95
    GSG9 UMP (9mm) Barrel - Threaded 1/2x28 - 3-Lug This barrel is the perfect addition to your UMP conversion as it includes the 3-lug and threaded 1/2x28 end of the barrel for use with suppressors or factory HK 3-lug flash hiders. Specifications: Threaded...
    HKP-02281
    $349.95
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  • New - H&K 21E/23E (7.62x51/.308) & (5.56/.223) Steel Recoil Rod Guide Ring - HKP-02063 HK21E, HK23E Recoil Rod Guide Ring
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    HK21E, HK23E Recoil Rod Guide Ring

    H&K Heckler & Koch

    $19.95
    HK 21E & HK 23E Recoil Rod All Steel Guide Ring
    HKP-02063
    $19.95
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  • New - H&K 21E/23E Backplate - HKP-00241 HK21E, HK23E Backplate
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    HK21E, HK23E Backplate

    H&K Heckler & Koch

    $289.95
    H&K 21E/23E(7.62x51/.308) & (5.56/.223) Backplate These factory German HK21E/23E back plates are no longer in production.  Grab yours before they are gone for good!  
    HKP-00241
    $289.95
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  • Out Of Stock
    New - MM HK 21E/23E/MSG90 (7.62x51/.308) & (5.56/.223) Scope Mount - HKP-01924 HK21E, HK23E, MSG90 Optic Mount - Quick Release Rail

    HK21E, HK23E, MSG90 Optic Mount - Quick Release Rail

    Michaels Machines

    $899.95
    HK21E/23E Or MSG90 Quick Release Rail Scope Mount Made in the USA of the best material and to factory HK specs. First time offered and exclusively here at HKPARTS.NET.
    HKP-01924
    $899.95
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  • HK MP5, HK94, HK33, HK53, HK93 Stock - AR15 Style
HK MP5, HK94, HK33, HK53, HK93 Stock - AR15 Style
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    HK MP5, HK94, HK33, HK53, HK93 Stock - AR15 Style

    HKP HK Parts

    $197.95
    HKP HK 93/53/33 (5.56/.223) AR-15 Style Magpul Stock US manufactured AR15 to HK 93,33,53 series stock assembly with Magpul MOE stock. Each unit comes complete and ready to install on your HK 93,33,53 or HK94, MP5 firearm.  Made from aircraft grade...
    HKP-16271
    $197.95
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  • New - RCM HK33/93 .300 BLK 16.1 Inch Barrel - Threaded 5/8x24 - HKP-17392 HK33, HK93 Barrel - .300 BLK - 16.1 Inch - Threaded 5/8x24
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    HK33, HK93 Barrel - .300 BLK - 16.1 Inch - Threaded 5/8x24

    RCM

    $234.95
    NCM HK33/93 .300 BLK 16.125 Inch Barrel - Threaded 5/8x24 Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and cans in the 5/8x24 thread pitch. Although, this barrel is perfect for just about any .300 BLK...
    HKP-17392
    $234.95
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  • New - H&K MP5 40/10 Factory Full Auto Bolt Carrier - HKP-00452 HK MP5 Bolt Carrier - Full Auto - 10mm / .40 S&W
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    HK MP5 Bolt Carrier - Full Auto - 10mm / .40 S&W

    H&K Heckler & Koch

    $339.95
    New HK German MP5 40/10 Factory F/A Bolt Carrier This is the latest and greatest version of the MP5 40 and MP5 10mm carrier. No longer in production or manufactured. Tungsten-filled German HK and the real deal. 
    HKP-00452
    $339.95
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  • Out Of Stock
    New - H&K MP5K/SP89 9mm SEF Contoured Trigger Group - Clipped & Pinned - HKP-01691 HK MP5K/SP89 9mm SEF Contoured Trigger Group - Clipped & Pinned

    HK MP5K/SP89 9mm SEF Contoured Trigger Group - Clipped & Pinned

    H&K Heckler & Koch

    $0.00
    New HK German SP89, MP5K Semi Auto - Clipped & Pinned SEF Trigger Group Each unit includes the professionally converted SEF clipped and pinned housing and semi-auto-only trigger pack. All trigger groups include a new 3rd-generation 9mm ejector lever...
    HKP-01691
    $0.00
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