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 - B&T HK USC/UMP .45 Flash Hider - 3-Lug - HKP-18346 HK USC, UMP .45 Flash Hider - 3 Lug
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    HK USC, UMP .45 Flash Hider - 3 Lug

    B&T Brugger & Thomet

    $165.00
    B&T HK USC/UMP .45 Flash Hider - 3-Lug B&T Switzerland has supplied these to law enforcement and military units around the world. Rock solid, mil-spec quality from an H&K OEM manufacturer. This flash hider slips over the end of the 3-lug...
    HKP-18346
    $165.00
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  • New - H&K HK MR556/416/MR762 Battle Grip Storage Cap - HKP-15251 HK416, MR556, HK417, MR762 Storage Cap - Pistol Grip
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    HK416, MR556, HK417, MR762 Storage Cap - Pistol Grip

    H&K Heckler & Koch

    $29.95
    H&K HK MR556/416/MR762 Battle Grip Storage Cap This part is the replacement grip plug for the bottom of the HK battle grip. Compatible With: HK MR556 HK 416 HK MR762 Please Note: Does not fit for the HK416 .22LR models**
    HKP-15251
    $29.95
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  • New - HKP HK G3 Repair Manual - HKP-15212
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    HKP HK G3 Repair Manual

    HKP HK Parts

    $15.95
    HK G3, 91, PTR Repair Manual This manual contains parts 3 and 4 of the G3 Rifle Manual for the G3, which is the full auto version of the HK91. Part 3 is for troop repair and part 4 contains field repairs. This manual is NOT a heavy-duty...
    HKP-15212
    $15.95
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  • New - HKP HK 91/G3 (7.62x51/.308) Fixed Stock Complete with Enhanced Heavy Buffer - Black - HKP-18937
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    HK91, G3 Fixed Stock Complete with Enhanced Heavy Buffer - Black

    HKP HK Parts

    $279.95
    New HK91, G3, PTR-91 U.S Made (PTR-91 Manufactured) Fixed Stock with Enhanced Buffer Installed Made from all German & U.S. made HK parts. This stock will fit any of the HK G3 & HK 91 & PTR rifles. This stock also counts as one U.S. compliant...
    HKP-18937
    $279.95
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  • Out Of Stock
    New - H&K MP5SD Rubber Handguard - HKP-00136

    HK MP5SD Rubber Handguard

    H&K Heckler & Koch

    $229.95
    New HK German MP5SD Rubberized Steel Handguard HK discontinued this handguard but our HK Parts version is available here.
    HKP-00136
    $229.95
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  • New - B&T HK MP5 9mm Barrel - Threaded 1/2x28 - 3-Lug - HKP-17955 HK MP5 Barrel - 9mm - Threaded 1/2x28 with 3 Lug
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    HK MP5 Barrel - 9mm - Threaded 1/2x28 with 3 Lug

    B&T Brugger & Thomet

    $378.95
    B&T HK MP5 9mm Barrel - Threaded 1/2x28 - 3-Lug New from B&T Switzerland, these MP5 barrels are cold hammer forged, fluted, and nitrided to exact HK specifications. B&T's close relationship with H&K and extensive history of...
    HKP-17955
    $378.95
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  • New - B&T (5.56/.223) Flash Hider - Suppressor Compatible - Threaded 1/2x28 - Universal - HKP-21394 HK416, MR556, G36, SL8, B&T APC223 Flash Hider - Suppressor Compatible - Threaded 1/2x28
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    HK416, MR556, G36, SL8, B&T APC223 Flash Hider - Suppressor Compatible - Threaded 1/2x28

    B&T Brugger & Thomet

    $139.99
    B&T (5.56/.223) Flash Hider - Suppressor Compatible - Threaded 1/2x28 - Universal Elevate the performance of your HK 416 or MR556 with this premium flash hider. Designed for compatibility with a range of suppressors, this flash hider features a...
    HKP-21394
    $139.99
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  • New - MI Pistol Brace Compatible Side Folder - HKP-19959 Pistol Brace - Side Folder - Compatible
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    Pistol Brace - Side Folder - Compatible

    MI Midwest Industries

    $129.95
    MI Pistol Brace Compatible Side Folder   For use with Gear Head Works Tailhook Pistol Brace   Features: Made in the USA Heavy duty side folding mechanism constructed from 4140 steel Full length locking lug for maximum strength. Solid positive...
    HKP-19959
    $129.95
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  • New - B&T HK UMP (.40 S&W & .45 ACP) Birdcage Flash Hider - HKP-16890 HK UMP (.40 S&W & .45 ACP) Birdcage Flash Hider
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    HK UMP (.40 S&W & .45 ACP) Birdcage Flash Hider

    B&T Brugger & Thomet

    $99.95
    B&T HK UMP (.40 S&W & .45 ACP) Birdcage Flash Hider B&T muzzle brake/flash hider birdcage style with quick detach lever for HK UMP .40 S&W & .45 ACP.  Swiss made B&T quick detach flash hider for HK UMP .40 and .45ACP...
    HKP-16890
    $99.95
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  • New - HKP Short Sleeve Tee - Tan - HKP-21027-M
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    HKP Shirt - Short Sleeve - Tan

    HKP HK Parts

    $14.95
    HKP Short Sleeve Shirt - Tan 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-21027-M
    $14.95
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  • New - H&K HK MR556/416 A5 Ambi Selector Lever Set Complete - Black - HKP-19375 HK416A5, MR556 Ambi Selector Lever Set Complete
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    HK416A5, MR556 Ambi Selector Lever Set Complete

    H&K Heckler & Koch

    $179.95
    H&K HK MR556/416 A5 Ambi Selector Lever Set Complete New HK German manufacture. Complete kit to upgrade the selector lever set on the MR556 to the newer HK 416A5 semi style of levers. A drop in upgrade for the MR556 & CR556. Includes: HK 416 A5...
    HKP-19375
    $179.95
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  • New - H&K HK MR762/417/G28 Slim Line Stock - RAL 8K - HKP-17136 HK417, MR762, G28 Stock - Slim Line - RAL8000
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    HK417, MR762, G28 Stock - Slim Line - RAL8000

    H&K Heckler & Koch

    $145.95
    H&K HK MR762/417/G28 Slim Line Stock - RAL 8K New from HK Germany the slim line retractable stock fits all MR762, HK 417 buffer tubes. Marked with the HK logo and issued on specialized HK 417, MR762 rifles. Compatible With: HK MR762 HK 417 HK...
    HKP-17136
    $145.95
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