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 G3 (7.62x51/.308) Parts Kit - HKP-00827 HK G3 Parts Kit
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    HK G3 Parts Kit

    H&K Heckler & Koch

    $397.95
    HK German G3 .308/7.62 X 51mm Surplus Parts Kit Each parts kit comes with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit except for the barrel and receiver. Each part of the parts kit will vary from fair to excellent...
    HKP-00827
    $397.95
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    $397.95
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  • New - HKP MP5 10mm Pistol Build Kit - HKP-18409 HK MP5 Parts Kit - 10mm - Pistol
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    HK MP5 Parts Kit - 10mm - Pistol

    HKP HK Parts

    $1,879.95
    HKP HK Parts HK MP5 Parts Kit - 10mm - Pistol With Flat, Top Rail, and Weldment Set - 10mm HK Parts MP5 Build Kit is the best priced value available anywhere. There is a limited supply and they will be gone before you know it. The MP5 10mm parts kit...
    HKP-18409
    $1,879.95
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    $1,879.95
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  • New - H&K HK MR556/416 Back Plate w/QD Attachment - HKP-22205 HK416, MR556 Back Plate - QD Attachment
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    HK416, MR556 Back Plate - QD Attachment

    H&K Heckler & Koch

    $64.95
    H&K HK MR556/416 Back Plate w/QD Attachment Factory HK back plate with QD socket for the HK MR556 and 416 A1/A4 models.  Compatible With: HK MR556/HK 416 (A1 and A4)
    HKP-22205
    $64.95
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  • On Sale
    HK21 FMP Complete Build Kit- Non Matching Numbers HK21 FMP Complete Build Kit- Non Matching Numbers
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    HK21 FMP Complete Build Kit- Non Matching Numbers

    FMP HK CONTRACT

    Now: $2,987.95
    Was: $3,124.97
    HK21 Complete Build Kit- Non Matching Numbers HK Parts brings you another exhaustive parts kit. Our HK21 parts kit includes everything you need to resurrect an iconic classic and hit the range for belt-fed action. We also included our own hanger with a...
    HKP-21626
    Now: $2,987.95
    Was: $3,124.97
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    Now: $2,987.95
    Was: $3,124.97
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  • New - HKP MP5K/SP5K/SP89 Side Folding Brace Adapter - HKP-20798-M HK MP5K, SP5K, SP89 Side Folding Brace Adapter
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    HK MP5K, SP5K, SP89 Side Folding Brace Adapter

    HKP HK Parts

    $119.95
    HKP MP5K/SP5K/SP89 Side Folding Brace  Adapter The HK Parts folding brace adapter is the best option to attach the SB tactical Folding brace or any brace that utilizes the same mounting system. Hardware included for a quick and easy installation. QD...
    HKP-20798-M
    $119.95
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    $119.95
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  • New - HKP HK SP5 Folding Brace/Stock Adapter - HKP-20644 HK SP5 Stock or Brace Adapter - Folding
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    HK SP5 Stock or Brace Adapter - Folding

    HKP HK Parts

    $159.95
    HKP HK SP5 Folding Brace/Stock Adapter Our HK Parts stock adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct “H” buffers to protect your...
    HKP-20644
    $159.95
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    $159.95
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  • New - Viridian AR M-LOK Hand Stop Laser - Green - HKP-19464 AR M-LOK Handstop Laser - Green
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    AR M-LOK Handstop Laser - Green

    Viridian

    $178.95
    Viridian AR M-LOK Hand Stop Laser - Green Viridian, the leader in weapon-mounted technology, is responsible for a number of firearm innovations - including green and red laser sights. Viridian's new HS1 is the world's first AR hand stop with an...
    HKP-19464
    $178.95
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    $178.95
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  • New - Bore Boss Pull-Through Bore Cleaner - .30 /.308 /7.62mm - HKP-19399 Bore Boss Pull-Through Bore Cleaner - 7.62 / .308 / .30
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    Bore Boss Pull-Through Bore Cleaner - 7.62 / .308 / .30

    Real Avid

    $10.95
    Real Avid Bore Boss Pull-Through Bore Cleaner - .30/.308/7.62mm From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The...
    HKP-19399
    $10.95
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    $10.95
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  • New - H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Ambidextrous Sling Loop - HKP-00611 HK G36, SL8, UMP, USC Handguard Sling Loop - Ambidextrous
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    HK G36, SL8, UMP, USC Handguard Sling Loop - Ambidextrous

    H&K Heckler & Koch

    $40.95
    UMP, USC, SL8, & G36 Ambidextrous Sling Loop Or Eyebolt For Sling - German HK The addition of the HK eyelet creates a sling attachment point that will enable you to mount a sling using any of the hard mounting points located on the forearm of the...
    HKP-00611
    $40.95
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    $40.95
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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
    Out Of Stock
    Qty in Cart: 0
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    $49.95
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  • New - RCM HK 93/53/33 (5.56/.223) Complete Bolt Head - HKP-16722 HK33, HK53, HK93 Bolt Head, Complete
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    HK33, HK53, HK93 Bolt Head, Complete

    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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