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 - Lee Sporting LS5 HK MP5 Complete Trigger Group - Semi Shelf - HKP-20465 HK MP5 LS5 Trigger Group, Complete - Semi Shelf
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    HK MP5 LS5 Trigger Group, Complete - Semi Shelf

    Lee Sporting

    $549.95
    Lee Sporting LS5 Complete Trigger Group - MP5 Semi-shelf The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger group is...
    HKP-20465
    $549.95
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    $549.95
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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 G28 Buffer Tube - Black - HKP-16741 HK G28 Buffer Tube
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    HK G28 Buffer Tube

    H&K Heckler & Koch

    $224.99
    HK G28 Buffer Tube / Receiver Extension New HK German buffer tube with the proper slot cut for use with the G28 stock. This is the factory correct part needed to get the full range and use of the G28 adjustable stock. Made in Germany by HK.
    HKP-16741
    $224.99
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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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  • New - H&K MP5 40/10 Extractor - HKP-00410 HK MP5 Extractor - .40 S&W, 10mm, .357 SIG
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    HK MP5 Extractor - .40 S&W, 10mm, .357 SIG

    H&K Heckler & Koch

    $69.95
    H&K Heckler and Koch New Latest Production 1.4mm Extractor for HK MP5 .40, 10mm, .357  This is the latest and greatest upgraded extractor made by HK. This is also a great upgrade for the many out-of-spec clones out there. Compatible...
    HKP-00410
    $69.95
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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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  • HK MP5, MP5K Optic Mount - 9mm - Raised - Picatinny HK MP5, MP5K Optic Mount - 9mm - Raised - Picatinny
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    HK MP5, MP5K Optic Mount - 9mm - Raised - Picatinny

    MI Midwest Industries

    $119.95
    Midwest Industries HK MP5, MP5K Tall Optic Mount - 1913 Picatinny Rail Tall, clamp-on optic mount for HK MP5 and MP5K pattern firearms, giving a higher, more upright sightline while still allowing use of the factory diopter sights. Ideal for mounting...
    HKP-22397
    $119.95
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  • Out Of Stock
    New - H&K MR556/MR762/416/417 A4 Battle Grip - Black - HKP-22028 HK416, MR556, HK417 A4, MR762 Pistol Grip - Black

    HK416, MR556, HK417 A4, MR762 Pistol Grip - Black

    H&K Heckler & Koch

    $16.95
    H&K MR556/MR762/416/417 A4 Battle Grip - Black Factory H&K battle grip in black. Compatible With: MR556 A1/A4 HK416 HK MR762 A1/A4 HK 417 HK M27 HK G28 AR-15, M4, & M16 Platforms
    HKP-22028
    $16.95
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  • New - H&K / HKP HK MP5, 94 Trigger Group Engraved 3 Position Navy Housing 0,1- Safe, Semi Only - HKP-17237 HK MP5, 94 Trigger Group - Engraved 3 Position Navy Housing 0,1- Safe, Semi Only
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    HK MP5, 94 Trigger Group - Engraved 3 Position Navy Housing 0,1- Safe, Semi Only

    $749.95
    H&K / HKP HK MP5, 94 Trigger Group Engraved 3 Position Navy Housing 0,1- Safe, Semi Only Finally, a lower cost alternative to the spendy & hard to find all German HK FBI or 0,1 ambidextrous trigger group in a 3 position Navy factory German HK...
    HKP-17237
    $749.95
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    $749.95
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  • New - H&K HK MR762, HK 417 Free Floating DMR Rail System - Black - HKP-17706 HK417, MR762 Rail System - DMR Free Floating
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    HK417, MR762 Rail System - DMR Free Floating

    H&K Heckler & Koch

    $949.95
    HK MR762, 417 Extended Free Floating Rail System New Heckler and Koch MR762, HK417, and G28 Extended DMR (designated marksman rifle). Forearm with flip up front sight and suppressor window Cutout. Optimized design to mitigate the heat emissions for long...
    HKP-17706
    $949.95
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  • New - Kaw Valley Precision .45 Mach 3-Lug Mount - HKP-19994 Omega K Mach 3-Lug Mount - .45 ACP
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    Omega K Mach 3-Lug Mount - .45 ACP

    Kaw Valley Precision

    $89.99
    Kaw Valley Precision .45 Mach 3-Lug Mount   Fully captured, enclosed system designed for use with the KVP MACH Linear Comp system. By utilizing 1-1/8"x28 TPI threads, the MACH 3-Lug Mount will fit many common silencer models such as the SilencerCo...
    HKP-19994
    $89.99
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    $89.99
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