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 - Timney Triggers MP5 9mm 2-Stage Trigger - HKP-20507 HK MP5 2 Stage Trigger - 9mm
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    HK MP5 2 Stage Trigger - 9mm

    Timney Triggers

    $389.95
    Timney Trigger's Trigger for your 9mm HK MP5, MP5K The Timney HK MP5 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost in accuracy. This offering comes...
    HKP-20507
    $389.95
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  • Out Of Stock
    New - F5 MFG 50 Round BT APC9, BT GHM9 9mm Drum Magazine - Black - HKP-18577 B&T APC9, GHM9 Drum Magazine - 50 Round - 9mm

    B&T APC9, GHM9 Drum Magazine - 50 Round - 9mm

    F5 MFG

    $168.95
    F5 MFG 50 Round 9mm Drum Magazine for B&T APC9 and B&T GHM9 The only one of its kind, Brugger & Thomet APC9 and GHM9 50 round drum magazine. Truly an incredible combination of quality and performance, be the first to own this exclusive...
    HKP-18577
    $168.95
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  • New - H&K HK MR556/MR762/416/417/G28 Sniper PSG1 Style Grip - RAL 8000 - HKP-17693 HK416, MR556, HK417, MR762, G28 Pistol Grip - PSG1 Sniper Style  - RAL8000
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    HK416, MR556, HK417, MR762, G28 Pistol Grip - PSG1 Sniper Style - RAL8000

    H&K Heckler & Koch

    $134.95
    H&K HK MR556/MR762/416/417/G28 Sniper PSG1 Style Grip - RAL 8000 HK German PSG1 style sniper factory. Each grip will fit all AR-15/M-16 lower receivers as well. Superior fit & feel to any other grip on the market. HK has hit a home run with their...
    HKP-17693
    $134.95
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    $134.95
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  • New - H&K HK MR556/MR223 Upper Receiver w/ F/A & Ejection Door - HKP-16950 HK MR556, MR223 Upper Receiver - Forward Assist and Ejection Door
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    HK MR556, MR223 Upper Receiver - Forward Assist and Ejection Door

    H&K Heckler & Koch

    $694.95
    New HK German Partially Pre-Assembled Upper Receiver for HK MR556 and HK MR223 Each unit comes just as shown with the F/A (forward assist) assembly and ejection port door assembly installed from the HK factory.  Compatible...
    HKP-16950
    $694.95
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    $694.95
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  • New - H&K 416 (5.56/.223) Compensator Flash Hider - Threaded 1/2x28 - HKP-16926 HK416 Compensator Flash Hider - Threaded 1/2x28
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    HK416 Compensator Flash Hider - Threaded 1/2x28

    H&K Heckler & Koch

    $39.95
    Heckler and Koch 5.56 / .223 Compensator Flash Hider - Threaded 1/2x28 Threaded 1/2x28 for use on all HK416, MR556 and other AR style applications.  Compatible With: HK416, MR556, MR223 HK G36, SL8 B&T APC223 AR-15/M16 HK Firearms 5.56 / .223...
    HKP-16926
    $39.95
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  • New - HKP HK MR556/MR762/416/AR-15 Titanium Take Down Pin Set - HKP-17936
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    HK416, MR556, MR762, AR-15 Take Down Pin Set - Titanium

    HKP HK Parts

    $29.95
    AR15, M4, MR556, MR762, AR10 Enhanced Take Down Pin Set Front & Rear - Titanium Custom ultra strong pure titanium front and rear take down pin set. Each set included both the front and rear pins for any AR mil-spec style lower. Compatible...
    HKP-17936
    $29.95
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    $29.95
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  • New - H&K G36/MP7 (4.6x30/5.56/.223) Firing Pin Bolt O-Ring - HKP-01858
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    HK MP7, G36 Firing Pin Bolt O-Ring

    H&K Heckler & Koch

    $9.95
    HK G36 & MP7 Firing Pin - Bolt O-Ring   Compatible With: HK G36 HK MP7  
    HKP-01858
    $9.95
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    $9.95
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  • Used - H&K G3 Parts Kit - RCM Barrel - HKP-16577 HK91, G3 Parts Kit - RCM Barrel
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    HK91, G3 Parts Kit - RCM Barrel

    H&K Heckler & Koch

    $518.95
    HK German G3 .308/7.62 X 51mm Surplus Parts Kit Finally, after more than 4 years of searching the globe, we have HK German Surplus G3 parts kits available to offer. Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that...
    HKP-16577
    $518.95
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    $518.95
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  • New - PTR HK 91/G3 (7.62x51/.308) Trigger Group - 5 U.S. 922 Parts - HKP-02643 HK91, G3 Trigger Group - 5 U.S. 922 Parts
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    HK91, G3 Trigger Group - 5 U.S. 922 Parts

    PTR

    $369.95
    HK 91, G3, & PTR91 Semi Auto Trigger Group Complete This lower is ready to drop on your semi-auto HK firearm. It comes complete with the US-made parts already installed. The remaining parts are all German HK parts to make up the rest of the trigger...
    HKP-02643
    $369.95
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    $369.95
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  • New - HKP HK 93/53/33 (5.56/.223) Firing Pin - Stainless Steel - HKP-17798
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    HK33, HK53, HK93 Firing Pin - Stainless Steel

    HKP HK Parts

    $24.95
    HKP HK 93/53/33 (5.56/.223) Firing Pin - Stainless Steel Specifications: Made in the USA Made from stainless steel Compatible With: HK 93/53/33
    HKP-17798
    $24.95
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  • New - H&K MP5F & MP5 40,10 Cocking Support Handle Spring - HKP-00426
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    HK MP5F, MP5 Compression Spring - Cocking Lever Support

    H&K Heckler & Koch

    $9.95
    H&K MP5F & MP5 40,10 Cocking Support Handle Spring One of these springs is required for use with the cocking handle/support assembly. You need the following - MP5 40 cocking tube support, MP5 40 cocking handle, and the cocking handle spring to...
    HKP-00426
    $9.95
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  • Out Of Stock
    New - H&K -2 Roller For Bolt Head 7.98mm - Under-sized - HKP-00505 HK -2 Roller For Bolt Head 7.98mm - Under-sized

    HK -2 Roller For Bolt Head 7.98mm - Under-sized

    H&K Heckler & Koch

    $19.95
    H&K -2 Roller For Bolt Head 7.98mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. New HK German not surplus or used goods. German-made -2 roller. Please Note: The price listed is per roller. Order 2 (pair) for...
    HKP-00505
    $19.95
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