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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  • Used - H&K 91/G3 (7.62x51/.308) F/A Bolt Carrier - Tungsten Filled - Surplus - HKP-01998 HK91, G3 Bolt Carrier - Full Auto - Tungsten Filled - Surplus
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    HK91, G3 Bolt Carrier - Full Auto - Tungsten Filled - Surplus

    H&K Heckler & Koch

    $249.95
    HK Factory F/A Tungsten Filled Bolt Carrier Used German Surplus  The tungsten upgrade is ideal for those with bolt bounce issues or who want the smoothest carrier for FA use. These carriers are all used and in good shape and need to be refinished...
    HKP-01998
    $249.95
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    $249.95
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  • New - H&K Front Sight Blade - HKP-00370
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    HK Front Sight Blade

    H&K Heckler & Koch

    $11.95
    H&K Front Sight Blade New Factory HK manufactured. This is compatible with all HK front sight towers & triple frames. 
    HKP-00370
    $11.95
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    $11.95
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  • New - H&K 0,1 Extended Left Side Ambidextrous Selector Lever - HKP-00124
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    HK Lever - Selector - 0,1 - Extended - Ambidextrous

    H&K Heckler & Koch

    $78.95
    HK German Left Side Ambidextrous EXTENDED (ESSL) FBI (0,1) Lever  New German HK extended selector lever for the left side of all safe and semi-ambidextrous trigger packs SP5K. Compatible With: MP5, 94 MP5 clone and custom builds
    HKP-00124
    $78.95
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    $78.95
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  • New - H&K HK MR762/417/G28 Ambidextrous Sling Adapter - HKP-16994 HK417 MR762, G28 Ambidextrous Sling Adapter
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    HK417 MR762, G28 Ambidextrous Sling Adapter

    H&K Heckler & Koch

    $129.95
    H&K HK MR762/417/G28 Ambidextrous Sling Adapter HK German manufactured MR762, MR308 & HK 417 Sling Adapter Backplate. This backplate has ambidextrous sling attachment points for both the left and right side of the firearm. Compatible With: HK...
    HKP-16994
    $129.95
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    $129.95
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  • New - H&K UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Hand Stop Complete - HKP-00596 HK UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Handstop Complete
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    HK UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Handstop Complete

    H&K Heckler & Koch

    $68.95
    HK German Hand Stop Unit Complete  This unit is compatible with any of the USC/UMP or the G36K or G36C handguards.  
    HKP-00596
    $68.95
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    $68.95
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  • Out Of Stock
    New - HKP HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear - HKP-01847 HK UMP, USC, G36, SL8 Sear - 9mm / .40 S&W / .45 ACP - 5.56 / .223

    HK UMP, USC, G36, SL8 Sear - 9mm / .40 S&W / .45 ACP - 5.56 / .223

    HKP HK Parts

    $49.95
    Sear For The HK UMP, USC, G36, & SL8 - USA CNC machined from aircraft grade aluminum that is hard coat anodized that will last much longer than the factory HK part that's made with plastic. This part counts as 1 US-made 922r compliant part. 100% USA...
    HKP-01847
    $49.95
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  • New - Magpul HK 91/G3 (7.62x51/.308) Complete Stock - Enhanced Buffer - HKP-16698 HK91, G3, PTR91 Stock - Complete - Enhanced Buffer
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    HK91, G3, PTR91 Stock - Complete - Enhanced Buffer

    Magpul

    $899.95
    Magpul PRS Stock With Enhanced Buffer The Magpul PRS2 (Precision Rifle Sniper) is a drop-in, precision-adjustable buttstock designed for the HK G3, HK91, PTR91 rifle and its variants. Designed to offer the fine-tuned, customized feel of a precision...
    HKP-16698
    $899.95
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    $899.95
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  • New - RCM HK G3K (7.62x51/.308) Barrel - Threaded 15x1 RH - HKP-01499
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    HK G3K Barrel - 7.62 / .308 - 12.69" - Threaded 15x1 RH

    RCM

    $244.95
    RCM HK G3K (7.62x51/.308) Barrel - Threaded 15x1 RH Manufactured to exact G3K specifications from cold hammer forged (CHF) steel, this barrel is a direct replacement for worn G3K barrels or ideal for your HKG3K build. It also counts as one US compliance...
    HKP-01499
    $244.95
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    $244.95
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  • New - RCM HK 93/53/33 (5.56/.223) Complete Bolt Head - HKP-16722 HK33, HK53, HK93 Complete Bolt Head
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    HK33, HK53, HK93 Complete Bolt Head

    RCM

    $214.95
    HK 93, 33, 53 .223/5.56 Bolt Head Complete - US The latest generation style bolt head with oval shaped roller retainer plate. Perfect for 556/ .223 & 300 BLK HK or roller lock firearms. Includes: 223/556 Extractor- US Extractor Spring- HK 8mm...
    HKP-16722
    $214.95
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    $214.95
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  • New - XS Sight Systems Front Night Sight - HKP-02066 HK90 Series Front Sight Post - Night Sights
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    HK90 Series Front Sight Post - Night Sights

    XS Sights

    $92.99
    XS Sights - Night Sight Front Sight Post - Standard Dot Size This part works wonders in low-light situations and tactical environments. This is simply the best front-sight post you can get for your HK. Because of the reach of the MP5 and sight...
    HKP-02066
    $92.99
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    $92.99
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  • Out Of Stock
    New - H&K German Red Handled Rear Sight Adjustment Tool - HKP-00080 HK German Red Handled Rear Sight Adjustment Tool

    HK German Red Handled Rear Sight Adjustment Tool

    H&K Heckler & Koch

    $107.99
    H&K German Red Handled Rear Sight Adjustment Tool A must-have sight tool for all HK 90 series rifles, as well as the HK 416, MR556, and HK 417 rifles. Works to adjust any rear diopter-type HK sight for both elevation and windage. We also offer an...
    HKP-00080
    $107.99
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  • On Sale
    New - HKP HK VP9SK Bench Mat - BLEMISHED - HKP-18091-B New - HKP HK VP9SK Bench Mat - BLEMISHED - HKP-18091-B
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    HK VP9SK Bench Mat - BLEMISHED

    HKP HK Parts

    Now: $7.95
    Was: $13.95
    HKP HK VP9SK Bench Mat - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This isn't your ordinary gun cleaning mat. Show your pride for your HK VP9SK...
    HKP-18091-B
    Now: $7.95
    Was: $13.95
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    Now: $7.95
    Was: $13.95
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