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 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Anti-Rattle Mag Release - HKP-01126 HK33, HK53, HK93, HK91, G3 Anti-Rattle Mag Release
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    HK33, HK53, HK93, HK91, G3 Anti-Rattle Mag Release

    H&K Heckler & Koch

    $64.95
    HK German Anti Rattle Paddle Magazine Release This item is a new H&K genuine part not used or surplus for installation on all HK .223 & .308 HK Rrifles. This is the highly desired anti-rattle-style paddle mag release. Compatible With: HK 91 HK...
    HKP-01126
    $64.95
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    $64.95
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  • Used - H&K 93 (5.56/.223) Complete Semi Auto SEF Style Trigger Pack - HKP-00201 HK93 Complete Semi Auto SEF Style Trigger Pack
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    HK93 Complete Semi Auto SEF Style Trigger Pack

    H&K Heckler & Koch

    $349.95
    HK German HK93 SEF Semi Trigger Pack complete We have one of the best HK gunsmiths in the country that can take hand-picked German HK F/A trigger packs and modify them to semi-auto. This is done with the best and most precise machinery and jigs available...
    HKP-00201
    $349.95
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    $349.95
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  • Out Of Stock
    New - H&K MP5 40/10 Threaded Bolt/Mag Follower Catch Screw - HKP-00454 HK MP5 Catch Screw, Bolt or Mag Follower - 10mm and .40 S&W - Threaded

    HK MP5 Catch Screw, Bolt or Mag Follower - 10mm and .40 S&W - Threaded

    H&K Heckler & Koch

    $34.95
    MP5 40/10 Threaded Bolt Catch For Magazine Follower This is the small threaded screw that fits into the bolt-hold-open axle and makes contact with the magazine follower to activate the bolt-hold-open. A small but critical part is to keep spares on hand,...
    HKP-00454
    $34.95
    Out Of Stock
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    $34.95
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  • New - H&K MP5 40/10 -4 Roller - HKP-00337 HK MP5 40, 10 Roller - -4
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    HK MP5 40, 10 Roller - -4

    H&K Heckler & Koch

    $19.95
    HK German MP5 40/10 -4 roller Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for...
    HKP-00337
    $19.95
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    $19.95
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  • New - H&K MP5K/SP89/SP5K 9mm Key Mod Handguard - HKP-17177 HK MP5K, SP89, SP5K Handguard - KeyMod
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    HK MP5K, SP89, SP5K Handguard - KeyMod

    HKP HK Parts

    $89.95
    HK MP5K, SP89 Low Profile Forearm KEYMOD The Key MOD tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock & HK enthusiasts with your shooting needs...
    HKP-17177
    $89.95
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    $89.95
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  • New - H&K SP5K 9mm Semi Auto Bolt Carrier - HKP-18207 HK SP5K Bolt Carrier - Semi Auto - 9mm
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    HK SP5K Bolt Carrier - Semi Auto - 9mm

    H&K Heckler & Koch

    $449.95
    Heckler and Koch HK SP5K 9mm Semi-Auto Bolt Carrier German-made HK SP5K bolt carrier built to the factory semi-auto SP5K specification. This carrier features the correct SP5K closed-front design and semi-auto geometry, making it the proper HK part for...
    HKP-18207
    $449.95
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    $449.95
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  • New - Magpul MOE Stock - Commercial Spec, AR15/M4 Carbines - HKP-10629
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    HK416, MR556 Carbine Stock - MOE - Commercial Spec

    Magpul

    $54.95
    Magpul MOE (Magpul Original Equipment) Commercial-Spec Model for AR15/M4 Carbines Made in the USA, the MOE stock Commercial-Spec Model is a drop-in replacement buttstock for AR15/M4 carbines using commercial-spec-sized receiver extension tubes. The...
    HKP-10629
    $54.95
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  • HK MR762 A4 Upper Receiver Kit - 13" HK MR762 A4 Upper Receiver Kit - 13"
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    HK MR762 A4 Upper Receiver Kit - 13"

    H&K Heckler & Koch

    $2,499.95
    HK MR762 A4 Upper Receiver Kit - 13" The MR762 A4 kit contains a complete upper receiver and barrel assembly. The closed system design significantly reduces malfunctions typically associated with direct-impingement gas systems, as hot carbon fouling and...
    HKP-22399
    $2,499.95
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    $2,499.95
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  • On Sale
    Franklin Armory BFSIII CZ-S1 CZ Scorpion Straight Trigger - BLEMISHED FA Franklin Armory HKP-19793-B Franklin Armory BFSIII CZ-S1 CZ Scorpion Straight Trigger - BLEMISHED FA Franklin Armory HKP-19793-B
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    CZ Scorpion Binary Trigger - Straight - BFSIII - BLEMISHED

    FA Franklin Armory

    Now: $367.99
    Was: $499.95
    Franklin Armory BFSIII CZ-S1 CZ Scorpion Straight Trigger - BLEMISHED DAMAGED PACKAGING - PRODUCT UNAFFECTED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The...
    HKP-19793-B
    Now: $367.99
    Was: $499.95
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    Now: $367.99
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  • New - HKP HK MP5/K RMR / Holosun Picatinny Sight Mount - HKP-22068 Picatinny Sight Mount - RMR, Holosun
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    Picatinny Sight Mount - RMR, Holosun

    HKP HK Parts

    $97.95
    HKP HK MP5/K RMR / Holosun Picatinny Sight Mount The HKP HK MP5/K RMR / Holosun Picatinny sight mount offers a secure, low-profile platform for RMR and Holosun optics. Compatible with any firearm featuring a Picatinny rail. It ensures solid mounting,...
    HKP-22068
    $97.95
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    $97.95
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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 - B&T HK MP5 Adapter for Folding Stock - HKP-21751 HK MP5 Adapter - Folding Stock
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    HK MP5 Adapter - Folding Stock

    B&T Brugger & Thomet

    $114.95
    B&T HK MP5 Adapter for Folding Stock Upgrade your MP5 platform with precision Swiss engineering. The Brügger & Thomet HK MP5 Adapter for Folding Stock is designed to provide a secure and reliable mounting interface for B&T’s...
    HKP-21751
    $114.95
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    $114.95
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