HK416 / MR556 Series

HK416 / MR556 Series

Our extensive collection boasts a wide array of HK MR556 and HK 416 parts, including precision HK MR556 Barrels and durable HK 416 Stocks. Elevate your rifle's functionality with HK 416 Handguards and HK MR556 Triggers, designed for the discerning shooter seeking top-tier performance.

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  • New - HK MR556/416 Firing Pin Catch - HKP-16846
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    HK416, MR556 Firing Pin Catch

    H&K Heckler & Koch

    $19.95
    HK MR556/416 Firing Pin Catch   Compatible With: HK MR556 HK 416  
    $19.95
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  • New - H&K HK MR556/MR223 Upper Receiver w/ F/A & Ejection Door - HKP-16950 HK MR556, MR223 Upper Receiver w/ F/A & Ejection Door
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    HK MR556, MR223 Upper Receiver w/ F/A & Ejection Door

    H&K Heckler & Koch

    $694.95
    New HK German Partially Pre-Assembled MR556/MR223 Upper Receiver Each unit comes just as shown with the F/A (forward assist) assembly and ejection port door assembly installed from the HK factory.  Compatible With: HK MR556 HK MR223 HK...
    $694.95
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  • New - H&K HK MR556/416 Charging Handle Release Latch - HKP-16553 HK416, MR556 Release Latch -  Charging Handle
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    HK416, MR556 Release Latch - Charging Handle

    H&K Heckler & Koch

    $39.95
    H&K HK MR556/416 Charging Handle Release Latch Perfect replacement item for the MR556 & HK 416 charging handle. New HK German manufacture. These can become chewed up and damaged with a hard drop or with heavy use. This is a great item to keep on...
    $39.95
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  • Out Of Stock
    New - Geissele HK MR556/416 14.5" Super Modular Rail System - FDE - HKP-16462 HK416, MR556 14.5" Super Modular Rail System - FDE

    HK416, MR556 14.5" Super Modular Rail System - FDE

    Geissele

    $549.95
    Geissele HK416, MR556 14.5" Modular Rail - Desert Dirt Color (DDC) 13.625" overall length Geissele HK 416, MR556 free float rail  with HK 416 14.5" barrel and MR 556 16.5" barreled upper. This is a direct replacement item for your HK MR556 and 14.5"...
    $549.95
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  • New - Magpul 5.56 NATO Mag Assist - 3 Pack - HKP-17320
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    HK 5.56 Magazine Assist - 3 Pack

    Magpul

    $9.95
    ORIGINAL MAGPUL® 5.56 NATO, 3 PACK When installed on the base of a 5.56x45 rifle magazine, the original Magpul provides improved speed and control during high stress, tactical magazine changes. Durable synthetic rubber loop with recessed rough...
    $9.95
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  • New - H&K HK MR556/MR762/416/417 Flip Up Rear Sight - 2mm - FDE - HKP-18500 H&K HK MR556/MR762/416/417 Flip Up Rear Sight - 2mm - FDE H&K Heckler & Koch HKP-18500
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    HK416, MR556, HK417, MR762 Rear Sight - Flip Up 2mm - FDE

    H&K Heckler & Koch

    $446.95
    H&K HK MR556/MR762/416/417 Flip Up Rear Sight - 2mm - FDE Attaches to any standard picatinny rail. No hardware needed as this is a self contained quick attach rear sight assembly. This unique HK designed sight features a quick & easy push button...
    $446.95
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  • New - H&K HK MR556 A4 Ambi Charging Handle - HKP-21933 HK MR556 A4 Charging Handle - Ambi
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    HK MR556 A4 Charging Handle - Ambi

    H&K Heckler & Koch

    $199.95
    H&K HK MR556 A4 Ambi Charging Handle Upgrade your MR556 or HK416-style rifle with this factory H&K ambidextrous charging handle, designed for smooth, reliable operation from either side. Built to Heckler & Koch’s exacting standards,...
    $199.95
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  • New - Troy Industries - HK MR556/416 - Offset Sight Set - Front and Round Rear - HKP-21289-M HK416, MR556 - Offset Sight Set - Front and Round Rear
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    HK416, MR556 - Offset Sight Set - Front and Round Rear

    Troy Industries

    $265.95
    HK 416 / MR556 - 45⁰ OFFSET BATTLESIGHT SET – HK FRONT & ROUND REAR  Durability and dead-on accuracy have made Troy Industries Folding BattleSights the choice of Special Ops and tactical users worldwide. The TROY 45 Degree Folding...
    $265.95
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  • New - H&K MR556 A4/416 Rear Takedown Pin - HKP-22029 HK416, HK417, MR556, MR762 Takedown Pin - Rear - A4 Style
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    HK416, HK417, MR556, MR762 Takedown Pin - Rear - A4 Style

    H&K Heckler & Koch

    $43.95
    H&K MR556, HK416, HK417, MR762 Rear Takedown Pin Factory A4 rear takedown pin.  Will work for A1 and A4 applications.   Compatible With: HK MR556 A1 and A4 HK416 HK MR762 A1 and A4 HK417 AR-14, M4, M16    
    $43.95
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  • New - Lancer 30 Round AR-15 Magazine - HKP-21188 Lancer 30 Round AR-15 Magazine - Smoke
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    Lancer 30 Round AR-15 Magazine - Smoke

    Lancer

    $29.95
    Lancer 30 Round AR-15 Magazine - Smoke Lancer set out to design a better 5.56 magazine, one with the reliability of steel and the durability and weight of the polymer. The L5AWM’s exclusive hybrid design includes a hardened steel feed lip...
    $29.95
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  • On Sale
    New - GG&G Picatinny to Harris Bipod Adapter - HKP-02307 GG&G Picatinny to Harris Bipod Adapter
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    GG&G Picatinny to Harris Bipod Adapter

    GG&G

    Now: $14.95
    Was: $39.95
    Harris Bipod Adapter Made By GG&G Enables a Harris Bi-pod to attach to a mil-spec Picatinny rail. GG&G's AR-15 Harris Bipod Adapter is rugged and low profile. Features of the GG&G Bipod Adapter include a stationary standard swivel stud, a...
    Now: $14.95
    Was: $39.95
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    Now: $14.95
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  • New - HKP Single Point Sling - ACU Digital Camo - HKP-15041 HK Single Point Sling - ACU Digital Camo
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    HK Single Point Sling - ACU Digital Camo

    HKP HK Parts

    $29.95
    HKP Single Point Sling - ACU Digital Camo HK single-point bungee sling for use on all HK & other firearm applications. This super high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point...
    $29.95
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