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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  • On Sale
    New - HK53 Cocking Tube - HKP-99057 HK53 Cocking Tube
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    HK53 Cocking Tube

    USA

    Now: $79.95
    Was: $149.95
    HK53 Cocking Tube  US made cocking tube Compatible With: HK53 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE.  SALE IS FINAL.
    HKP-99057
    Now: $79.95
    Was: $149.95
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    Now: $79.95
    Was: $149.95
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  • New - HK91, G3 2-20 Round Aluminum Mags W/ Rubberized Mag Pouch - Like New - HKP-21804 HK91, G3 Two Magazines and Rubberized Mag Pouch - 20 Round - Aluminum - Like New
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    HK91, G3 Two Magazines and Rubberized Mag Pouch - 20 Round - Aluminum - Like New

    H&K Heckler & Koch

    $36.95
    HK Heckler and Koch Two 20 Round Aluminum Mags with Rubberized Mag Pouch for HK91 Two Like-New HK German 20 round aluminum magazines, accompanied by a premium hand-picked green rubberized mag pouch. This bundle is the perfect choice for anyone looking...
    HKP-21804
    $36.95
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    $36.95
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  • Out Of Stock
    New - B&T Stock Conversion Kit for Telescopic Brace/Stock Adapters - HKP-21725 B&T Stock Conversion Kit - Stock or Brace Adapter - Telescopic

    B&T Stock Conversion Kit - Stock or Brace Adapter - Telescopic

    B&T Brugger & Thomet

    $90.00
    B&T Stock Conversion Kit for Telescopic Brace/Stock Adapters This stock conversion kit will work on all models of telebraces with a tailhook adapter endplate. Perfect for converting you telescopic brace into a proper stock (NFA rules apply). The kit...
    HKP-21725
    $90.00
    Out Of Stock
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    $90.00
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  • On Sale
    New - H&K HK MP5 9mm Complete Full Auto Bolt Group - HKP-21478 HK MP5 Bolt Group - 9mm - Full Auto - Complete
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    HK MP5 Bolt Group - 9mm - Full Auto - Complete

    H&K Heckler & Koch

    Now: $2,245.95
    Was: $2,874.95
    H&K HK MP5 9mm Complete Full Auto Bolt Group This is a factory genuine HK German full auto bolt group compiled with the best German parts available for  those that need the best parts on their beloved MP5. Last call on these as they are NLA and...
    HKP-21478
    Now: $2,245.95
    Was: $2,874.95
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    Now: $2,245.95
    Was: $2,874.95
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  • New - B&T HK MP5 - MBT Stock - HKP-21422 HK MP5 Folding Stock - MBT
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    HK MP5 Folding Stock - MBT

    B&T Brugger & Thomet

    $650.00
    B&T Brugger and Thomet MBT Stock for HK MP5 B&T MBT folding stock for HK MP5. Polymer stock and adapter.  Features: 8 position length adjustment Telescoping cheek riser with 3 position height adjustment Folds to the right canted downward...
    HKP-21422
    $650.00
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    $650.00
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  • Out Of Stock
    New - B&T HK MP5K - MBT Stock - HKP-21421 HK MP5K Folding Stock - MBT

    HK MP5K Folding Stock - MBT

    B&T Brugger & Thomet

    $569.95
    B&T HK MP5K - MBT Stock B&T MBT folding stock for HK MP5K. Polymer stock and adapter.  Features: 8 position length adjustment Telescoping cheek riser w/ 3 position height adjustment Folds to the right canted downward 3.5 degrees Locks...
    HKP-21421
    $569.95
    Out Of Stock
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    $569.95
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  • New - HKP Ambi Housing Franklin Armory Binary Selector Set - RAL 8000 - HKP-21380 HK Binary Selector Set - Ambi Housing - RAL8000
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    HK Binary Selector Set - Ambi Housing - RAL8000

    HKP HK Parts

    $79.95
    HKP/H&K MP5/K 9mm Ambi Housing Franklin Armory Binary Selector Set - RAL 8000 Elevate your Franklin Armory BFSIII HK Binary Trigger Pack with our new aluminum selector lever set, specifically designed for ambidextrous pictogram housings...
    HKP-21380
    $79.95
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    $79.95
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  • On Sale
    New - Strike Industries HK MP5 Drop-In MOD2 Stock - HKP-21331-M HK MP5 Stock - MOD2 - Strike Industries
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    HK MP5 Stock - MOD2 - Strike Industries

    HKP HK Parts / Strike Industries

    Now: $111.71
    Was: $199.95
    Strike Industries HK MP5 Drop-In MOD2 Stock We pair our MP5 AR Stock adapter with this Strike MOD2 stock to give you a drop-in MP5 stock. Give your build a modern look and added comfort and adjustability of the MOD2 stock.  Only available here at HK...
    HKP-21331-M
    Now: $111.71
    Was: $199.95
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    Now: $111.71
    Was: $199.95
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  • On Sale
    New - JMAC HK G36/HK33 Muzzle Device - Threaded 15x1 - HKP-21258 HK G36, HK33 Muzzle Device- RRD-360 - Threaded 15x1
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    HK G36, HK33 Muzzle Device- RRD-360 - Threaded 15x1

    JMAC Customs

    Now: $77.95
    Was: $99.95
    JMAC 5.56 / .223 Muzzle Device Threaded 15x1 for HK G36 and HK33 The RRD-360 Muzzle Device from JMAC Customs is unlike others on the market today. This device vents gasses 360 degrees away from your muzzle requiring less effort from the...
    HKP-21258
    Now: $77.95
    Was: $99.95
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    Now: $77.95
    Was: $99.95
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  • New - RCM HK MP5 10mm Barrel - Threaded 14x.75 - HKP-21156 HK MP5 Barrel - 10mm - Threaded 14x.75 with 3 Lug
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    HK MP5 Barrel - 10mm - Threaded 14x.75 with 3 Lug

    RCM

    $279.95
    RCM HK MP5 10mm Barrel - Threaded 14x.75 Enhance your MP5 with the RCM HK MP5 10mm Barrel, featuring precise 14x.75 threading. Expertly crafted for German MP5 models, this barrel ensures superior durability and performance. Ideal for both custom builds...
    HKP-21156
    $279.95
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    $279.95
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  • New - Magpul Moe K2 AR Grip - HKP-19567 HK416, MR556 Vertical Grip - AR - Moe K2
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    HK416, MR556 Vertical Grip - AR - Moe K2

    Magpul

    $22.95
    Magpul Moe K2 AR Grip Similar in concept to the MOE-K, the MOE-K2 is a drop in upgrade for AR15/M4's that offers a more vertical grip angle, but in a full-size grip design. The steeper vertical grip angle is optimized for use on PDW (Personal Defense...
    HKP-19567
    $22.95
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    $22.95
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  • New - HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH - HKP-19395 HK UMP Barrel - .45 ACP - 16.5" - Threaded 16x1 LH
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    HK UMP Barrel - .45 ACP - 16.5" - Threaded 16x1 LH

    HKP HK Parts

    $369.95
    HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH This new 16.5" threaded barrel is designed for the UMP or Omega firearms. A great replacement or threaded barrel upgrade. Compatible With: HK UMP .45 ACP Omega Firearms
    HKP-19395
    $369.95
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    $369.95
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