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
    Used - HK MP5 3 Round Burst Trigger Housing - USED SURPLUS - HKP-99094 HK MP5 3 Round Burst Trigger Housing - USED SURPLUS
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    HK MP5 3 Round Burst Trigger Housing - USED SURPLUS

    H&K Heckler & Koch

    Now: $178.95
    Was: $299.95
    HK MP5 3 Round Burst Trigger Housing - USED SURPLUS This housing is for the HK MP5 with a 3 round burst pictogram. Compatible With: HK MP5 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE.  SALE IS FINAL.
    HKP-99094
    Now: $178.95
    Was: $299.95
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    Now: $178.95
    Was: $299.95
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  • New - H&K A3 Stock Release Lever Rebuild Kit - HKP-21851
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    HK A3 Stock Release Lever Rebuild Kit

    H&K Heckler & Koch

    $14.95
    H&K A3 Stock Release Lever Rebuild Kit This A3 collapsible stock rebuild kit is designed for the release lever on MP5, SP5, 93/53/33, and G3/91 collapsible stocks.  With A3 stocks becoming more expensive it's a great idea to keep this kit on...
    HKP-21851
    $14.95
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    $14.95
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  • On Sale
    Used - HK 93/53/33 Unfinished Polymer Trigger Piece - USED - HKP-99050 HK33, HK53, HK93 Unfinished Polymer Trigger Piece - USED
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    HK33, HK53, HK93 Unfinished Polymer Trigger Piece - USED

    USA

    Now: $14.95
    Was: $79.95
    HK 93/53/33 Unfinished Polymer Trigger Piece - USED This unfinished trigger piece is compatible with HK 90 series firearms. Ideal for those looking to complete or customize their build. Compatible With: HK 93/53/33 THIS CLOSEOUT PART IS NOT ELIGIBLE...
    HKP-99050
    Now: $14.95
    Was: $79.95
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    Now: $14.95
    Was: $79.95
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  • New - HKP HK MP5K .40/10 Picatinny Rail Brace/Stock Adapter - HKP-21833 HK MP5K Stock or Brace Adapter - 10mm / .40 S&W - Picatinny Rail
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    HK MP5K Stock or Brace Adapter - 10mm / .40 S&W - Picatinny Rail

    HKP HK Parts

    $129.95
    HKP HK MP5K .40/10 Picatinny Rail Brace/Stock Adapter Open your MP5K up to a vast range of brace and stock options with our Picatinny rail stock adapter.  Designed specifically for the MP5K 40 cal and 10mm platforms.  Available exclusively at...
    HKP-21833
    $129.95
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    $129.95
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  • On Sale
    New - H&K MP5 F Bolt Group Complete - BLEMISHED - HKP-00953-B HK MP5F Bolt Group - Complete - BLEMISHED
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    HK MP5F Bolt Group - Complete - BLEMISHED

    H&K Heckler & Koch

    Now: $1,895.95
    Was: $4,399.95
    H&K MP5 F Bolt Group Complete - BLEMISHED   COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL.   The bolt head, bolt carrier, and all F/A-related parts...
    HKP-00953-B
    Now: $1,895.95
    Was: $4,399.95
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    Now: $1,895.95
    Was: $4,399.95
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  • Out Of Stock
    On Sale
    New - H&K MP5 9mm Complete IB Date Coded Bolt Carrier Group - Refinished - HKP-99025 HK MP5 Bolt Carrier Group - Complete - 9mm - IB Date Coded - Refinished

    HK MP5 Bolt Carrier Group - Complete - 9mm - IB Date Coded - Refinished

    H&K Heckler & Koch

    Now: $1,249.95
    Was: $2,629.95
    Heckler and Koch MP5 9mm Complete Bolt Carrier Group - Refinished This refinished complete bolt carrier group is the perfect spare or replacement for you HK MP5. Offering reliable performance and durability, it ensures your MP5 stays in top working...
    HKP-99025
    Now: $1,249.95
    Was: $2,629.95
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    Now: $1,249.95
    Was: $2,629.95
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  • New - B&T HK G36 Helmet Stock - HKP-21692 HK G36 Helmet Stock
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    HK G36 Helmet Stock

    B&T Brugger & Thomet

    $280.00
    B&T HK G36 Helmet Stock The B&T G36 helmet stock was designed to clearance the operator's helmet when viewing the target through the rifle's sights.  This military derived design is precision made in Switzerland. Compatible With: HK G36
    HKP-21692
    $280.00
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    $280.00
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  • HK MP5K Parts Kit - .40 S&W - Pistol Build HK MP5K Parts Kit - .40 S&W - Pistol Build
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    HK MP5K Parts Kit - .40 S&W - Pistol Build

    $1,829.95
    HKP MP5K .40 S&W Pistol Build Kit MP5K .40 complete pistol build kit. Featuring the latest in highest quality components for an unparalleled build. Equipped with a 9/16x24 3-lug threaded barrel to accept a wide variety of muzzle devices and...
    HKP-21534
    $1,829.95
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    $1,829.95
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  • HK91, G3 Extractor - Used
HK91, G3 Extractor - Used
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    HK91, G3 Extractor - Used

    H&K Heckler & Koch

    $6.85
    HK German HK G3, HK, 91 & PTR 91 .308 Extractor - Used Surplus HK German extractor. Fits all models of HK G3 style firearms and CETME's. Compatible With: HKG3 HK91 PTR models Clones and other custom builds CETME & C308's
    HKP-21507
    $6.85
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    $6.85
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  • New - Strike Industries HK 416 - 9" Light Speed Handguard - HKP-21313 HK416 Handguard - 9" - Strike Industries GRIDLOK - Lightspeed
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    HK416 Handguard - 9" - Strike Industries GRIDLOK - Lightspeed

    Strike Industries

    $318.95
    Strike Industries HK 416 - 9" Handguard - Gridlok - Light Speed The Strike Industries GRIDLOK® Rail for 416 gives you a primary, a secondary or multiple setup options as a quick and direct handguard swap. The GRIDLOK® Rail for 416 has the SI...
    HKP-21313
    $318.95
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    $318.95
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  • New - JMAC Universal Picatinny 8" Triangle Stock with 1913 Folding Mech - HKP-21245 Picatinny 8" Triangle Stock with 1913 Folding Mech
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    Picatinny 8" Triangle Stock with 1913 Folding Mech

    JMAC Customs

    $261.00
    JMAC Triangle Stock 8" Stock with 1913 Folding Mech Features: 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers 7075 T6 Aluminum Hard-Coat Anodized **Not compatible w/LevTech Manufacturing panels...
    HKP-21245
    $261.00
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    $261.00
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  • New - BETA C-Mag 100 Round HK G36 Mag System - HKP-21205-M BETA C-Mag 100 Round HK G36 Mag System
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    BETA C-Mag 100 Round HK G36 Mag System

    Beta C-Mag

    $839.95
    100 Round Beta C-Mag for HK G36 These drums are designed with clear back covers to enable you to see your round count. This magazine is the top-of-the-line package from The Beta Company. This works in any weapon system that takes the...
    HKP-21205-M
    $839.95
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    $839.95
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