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 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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  • 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
    Was: $499.95
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  • HK416, MR556, HK417, MR762 Pistol Grip - PSG1 Style HK416, MR556, HK417, MR762 Pistol Grip - PSG1 Style
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    HK416, MR556, HK417, MR762 Pistol Grip - PSG1 Style

    H&K Heckler & Koch

    $102.95
    H&K PSG1 Style Grip Factory H&K PSG1-style grip, offering improved comfort and control for precision shooting. Features: Textured surface for enhanced grip stability Ergonomic design reduces hand fatigue Adjustable palm shelf for customizable...
    HKP-22311
    $102.95
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    $102.95
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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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  • New - H&K G36K Handguard with Heat Shield - HKP-22010 HK G36K Handguard with Heat Shield
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    HK G36K Handguard with Heat Shield

    H&K Heckler & Koch

    $68.95
    H&K G36K Handguard with Heat Shield Lightweight and durable design for improved heat management and reliable performance.   Compatible With: G36K  
    HKP-22010
    $68.95
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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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  • New - HKP HK UMP Flash Hider - Birdcage Style - 5/8x24 - HKP-21579 HK UMP Flash Hider - Birdcage Style - 5/8x24
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    HK UMP Flash Hider - Birdcage Style - 5/8x24

    HKP HK Parts

    $49.95
    HKP HK UMP Flash Hider - Birdcage Style - 5/8x24 We are pleased to present the HKP UMP birdcage flash hider, designed specifically for our UMP 45 parts kit. This exceptional accessory not only protects exposed threads but also enhances the overall...
    HKP-21579
    $49.95
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    $49.95
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  • New - MI/HKP HK MP5 .22 LR Alpha Folding Brace/Stock Adapter - HKP-21515-M HK MP5 Stock or Brace Adapter - Folding - .22 LR - Alpha
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    HK MP5 Stock or Brace Adapter - Folding - .22 LR - Alpha

    MI Midwest Industries

    $419.95
    MI/HKP HK MP5 .22 LR Alpha Folding Brace/Stock Adapter The Midwest Industries alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your exact style...
    HKP-21515-M
    $419.95
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