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 HK MR556/MR762/416/417 Fixed Front Sight Assembly - HKP-00025 HK416, HK417, MR556, MR762 Fixed Front Sight Assembly

    HK416, HK417, MR556, MR762 Fixed Front Sight Assembly

    H&K Heckler & Koch

    $119.95
    H&K HK MR556/MR762/416/417 Fixed Front Sight Assembly German HK front fixed sight for use with a rear diopter style sight. It can also be used on some other Ar-15/M-16 applications. Complete with all mounting hardware for a Picatinny rail. Compatible...
    HKP-00025
    $119.95
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    New - H&K MP5 & HK94 Recoil Rod Assembly - HKP-00132

    HK MP5, HK94 Recoil Rod Assembly

    H&K Heckler & Koch

    $69.95
    H&K MP5 & HK94 Recoil Rod Assembly  HK German MP5 and HK94 recoil rod assemblies come complete with rod, spring, nylon rings, end caps, and rivets installed. This is a great item to have on hand as a spare part as this is a wear-and-tear...
    HKP-00132
    $69.95
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  • New - AC-Unity HK G3 Pistol Grip - HKP-21629 HK91, G3, MP5 Pistol Grip
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    HK91, G3, MP5 Pistol Grip

    AC-Unity

    $9.95
    AC-Unity HK G3 Pistol Grip Beautifully designed and textured for a great feel and sure grip. Also correct for HK33 or MP5 style weapons using steel trigger housings with buttstocks mounted with steel backplates. Constructed from advanced...
    HKP-21629
    $9.95
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  • New - HKP MP5 Sling Clip Rivet Set - 3 Rivets - HKP-17003
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    HK MP5 Sling Clip Rivet Set - 3 Rivets

    HKP HK Parts

    $7.89
    HKP MP5 Sling Clip Rivet Set - 3 Rivets Factory correct MP5 sling clip rivet set (includes a set of 3 rivets). This is the factory correct rivet set to attach the HK sling clip to the left hand side of the magwell. Each set includes a set of 3 rivets for...
    HKP-17003
    $7.89
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  • New - JMAC Customs HK MP5, HK SP5, HK 33 1913 Rail Brace/Stock Adapter - Black - HKP-19305 HK MP5, SP5, HK33 1913 Rail Stock or Brace Adapter
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    HK MP5, SP5, HK33 1913 Rail Stock or Brace Adapter

    JMAC Customs

    $94.95
    JMAC Customs HK MP5, HK SP5, HK 33 1913 Rail Brace/Stock Adapter Finally a way to mount 1913 stocks/braces to your favorite full-size MP5 clone!  It has a Picatinny rail machined on the rear which allows you to install 1913 style stocks/braces...
    HKP-19305
    $94.95
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  • Used - H&K MP5 9mm Full Auto SEF Navy Style Trigger Group - Push Pin - HKP-18094-PP HK MP5 9mm Full Auto SEF Navy Style Trigger Group - Push Pin
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    HK MP5 9mm Full Auto SEF Navy Style Trigger Group - Push Pin

    H&K Heckler & Koch

    $499.95
    HK German MP5 SEF Navy Style F/A Trigger Group Complete - Used Each trigger group is comprised of genuine Heckler & Koch products Includes: German full auto trigger pack with all F/A internals New German 3rd generation ejector German HK SEF selector...
    HKP-18094-PP
    $499.95
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  • New - HKP HK MP5/MP5K 4-Piece Set Magazine Release - HKP-00912 HK MP5, MP5K Magazine Release Set - 4 Piece
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    HK MP5, MP5K Magazine Release Set - 4 Piece

    HKP HK Parts

    $79.95
    HKP HK Parts 4-Piece Magazine Release Set for HK MP5 and HK MP5K Each magazine catch set consists of 4 pieces and is a mixture of HK Germany and USA made parts. This is the set that provides left-to-right mag release controls. Each Set Includes: Mag...
    HKP-00912
    $79.95
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  • New - PTR (7.62x51/.308) Flash Hider - Threaded 5/8x24 RH - HKP-17930 HK91, G3 Flash Hider - Threaded 5/8x24 RH
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    HK91, G3 Flash Hider - Threaded 5/8x24 RH

    HKP HK Parts

    $27.95
    HK91 (7.62x51/.308) Flash Hider - Threaded 5/8x24 RH Made in the USA to the exact specifications of the original HK flash hider, following strict HK standards. This flash hider offers the best quality and price in the country, making it the finest option...
    HKP-17930
    $27.95
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  • New - HKP HK MP5 .22 – RMR / Holosun Optic Mount - HKP-20867-M HK MP5 .22 LR Optic Mount - RMR, Holosun
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    HK MP5 .22 LR Optic Mount - RMR, Holosun

    HKP HK Parts

    $97.95
    HKP HK Parts RMR and Holosun Optic Mount for HK MP5 .22 The finest mounting solution to properly mount your RDS on your MP5 .22. Our 3-piece optic mount installs quickly and securely using the provided hardware. Our mount is the perfect height to...
    HKP-20867-M
    $97.95
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    New - HKP HK 416/MR556 A5 Style Castle Nut-Extended - HKP-18058

    HK416, MR556 Buffer Tube Castle Nut - A5 Extended

    HKP HK Parts

    $39.95
    HKP HK Parts A5 Style Extended Length Castle Nut for HK 416, MR556 Unlike the factory German A5 castle, our A5 extended buffer tube castle nut is compatible with both mil-spec and commercial buffer tubes. Crafted from ordnance grade steel and nitrided...
    HKP-18058
    $39.95
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  • New - HKP HK G36, SL8 Forearm, Lower, Magwell U.S Push Pin - Black - HKP-20730 HK G36, SL8 Push Pin for Handguards, Lowers, Magwells
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    HK G36, SL8 Push Pin for Handguards, Lowers, Magwells

    H&K Heckler & Koch

    $18.95
    HKP HK G36, SL8 Forearm, Lower, Magwell U.S Push Pin U.S. made G36 push pin finished in black oxide. This push pin is also required for converting the SL8 to a G36. G36's use three of these factory push pins per rifle whereas the SL8 has two.
    HKP-20730
    $18.95
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  • New - HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH - HKP-20213 HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH
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    HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH

    HKP HK Parts

    $29.95
    HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH The HK Parts Micro Comp & Thread Protector is a lightweight, dual-purpose accessory that functions as both a compensator and thread protector. It easily attaches to any factory-spec .578x28 RH .45...
    HKP-20213
    $29.95
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