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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  • B&T 1/2x28 Direct Thread to Hub Adapter B&T 1/2x28 Direct Thread to Hub Adapter
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    B&T 1/2x28 Direct Thread to Hub Adapter

    B&T Brugger & Thomet

    $89.95
    B&T Direct Thread 1/2x28 Hub Adapter Convert any 1/2x28 RH threaded barrel to accept Hub devices with this direct fit adapter. Compatible With: HK MP5, MP5K, SP5, SP5K HK MR556 HK UMP 9mm B&T APC223, SPC223 B&T APC9K B&T GMH9...
    HKP-21506
    $89.95
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  • On Sale
    New - H&K HK 416 A5 Bolt Carrier Complete - HKP-21500 HK416 A5 Bolt Carrier - Complete
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    HK416 A5 Bolt Carrier - Complete

    H&K Heckler & Koch

    Now: $1,945.00
    Was: $2,349.95
    German H&K HK 416 A5 Bolt Carrier Complete Get your hands on that critical puzzle piece for your factory-correct 416A5 build.  Fully assembled and ready to drop into your uper receiver.  Bolt carriers may be marked ".223 Rem" or "5.56 x 45"...
    HKP-21500
    Now: $1,945.00
    Was: $2,349.95
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    Now: $1,945.00
    Was: $2,349.95
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  • New - HKP HK 416 (5.56/.223) A5 Converted Barrel - Threaded 1/2x28 - HKP-21449 HK416, MR223 Barrel - 5.56 / .223 - 14.5" - Threaded 1/2x28 - A5 Style
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    HK416, MR223 Barrel - 5.56 / .223 - 14.5" - Threaded 1/2x28 - A5 Style

    HKP HK Parts

    $588.95
    H&K 416 A5 Converted Barrel - Threaded 1/2x28 These barrels began as standard A3 style but have been precisely machined with an A5-style relief cut to fit HK416 & MR223 A5 uppers. Now, you can have a drop-in barrel for your 416/MR223 A5 upper at...
    HKP-21449
    $588.95
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  • New - Strike Industries 1913 Picatinny Backup Sights - HKP-21314 Backup Sights - Picatinny
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    Backup Sights - Picatinny

    Strike Industries

    $84.95
    Strike Industries 1913 Picatinny Backup Sights Features: Built-in backup sights when flipped down for quick target acquisition Low-profile and low snag design Toolless adjustments of windage and elevation Quick sliding dual aperture rear sight...
    HKP-21314
    $84.95
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  • New - Omega HK UMP Rear Sight Complete - HKP-21266
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    Gideon Shadow UMP Rear Sight, Complete

    OMEGA

    $39.95
    Omega Rear Sight Complete for HK UMP All the parts needed for the rear sight on a Gideon Shadow UMP style build. New USA made parts for your build.   Will only work with Gideon Shadow. Locking screw will not work with a German UMP receiver, DEF...
    HKP-21266
    $39.95
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  • New - B&T HK MG5 Unigrip QD with Bipod - HKP-21051 HK MG5 Unigrip QD with Bipod
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    HK MG5 Unigrip QD with Bipod

    B&T Brugger & Thomet

    $239.95
    B&T HK MG5 Unigrip QD with Bipod This grip is made for the HK MG5 but is very versatile and can attacht to any firearm that has a forearm with a picatinny rail. It is primarily a foregrip, but due to the integrated bipod (which can be deployed...
    HKP-21051
    $239.95
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    $239.95
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  • Used - H&K HK SL8-1 Complete Front Sight - Black - HKP-16633 HK SL8-1 Front Sight Complete
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    HK SL8-1 Front Sight Complete

    H&K Heckler & Koch

    $79.95
    H&K HK SL8-1 Complete Front Sight   Complete front sight, less the mounting hardware.
    HKP-16633
    $79.95
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  • Out Of Stock
    New - H&K HK XM8 Sling - Black - HKP-17669 HK XM8 Sling - Black

    HK XM8 Sling - Black

    H&K Heckler & Koch

    $99.95
    H&K HK XM8 Sling - Black New HK German XM8 Tactical Sling. The real deal and a rare HK collectible. Only a few available.
    HKP-17669
    $99.95
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    $99.95
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  • New - HK G36 Single Optic Carrying Handle - Incomplete - - HKP-16365 HK G36 Single Optic Carrying Handle - Incomplete
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    HK G36 Single Optic Carrying Handle - Incomplete

    $149.95
    HK G36 Single Optic Carrying Handle - Incomplete  Stripped. The perfect for replacement of your well worn housing or broken housing. Just install your optic and you have a like new unit.
    HKP-16365
    $149.95
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  • New - JMAC Customs BDS-37 Blast Diversion Shield - Bravo with HD 3-Lug Adapter - HKP-20521 Blast Diversion Shield - BDS-37 - Bravo with HD 3-Lug Adapter
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    Blast Diversion Shield - BDS-37 - Bravo with HD 3-Lug Adapter

    JMAC Customs

    $229.95
    JMAC Customs BDS-37 Blast Diversion Shield - Bravo with HD 3-Lug Adapter The YHM-2050 HD (heavy duty) 3-Lug Adapter is a quick-attach mounting option designed to provide added strength and longevity to your 3-Lug equipped firearm. This fully...
    HKP-20521
    $229.95
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  • New - Lee Sporting LS5 HK MP5 Complete Trigger Group Flat Trigger - Push Pin - HKP-20482 HK MP5 Trigger Group - Flat Trigger - Push Pin
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    HK MP5 Trigger Group - Flat Trigger - Push Pin

    Lee Sporting / Magpul

    $549.95
    Lee Sporting Complete Trigger Group - MP5 Push Pin - Flat Trigger 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...
    HKP-20482
    $549.95
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  • Out Of Stock
    New - H&K MP5, 93/53/33, 91 (9mm, .40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Housing - Clipped & Pinned - HKP-19801 HK MP5, HK33, HK53, HK93, HK91 Housing - 3 Position 0,1,3 Pictogram - Clipped and Pinned

    HK MP5, HK33, HK53, HK93, HK91 Housing - 3 Position 0,1,3 Pictogram - Clipped and Pinned

    H&K Heckler & Koch

    $249.95
    H&K MP5, 93/53/33, 91 (9mm, .40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Housing - Clipped & Pinned Introducing the universal 3 position burst pictogram housing for HK MP5, SP5, and .40/10 firearms. This new factory...
    HKP-19801
    $249.95
    Out Of Stock
    Qty in Cart: 0
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    $249.95
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