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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  • On Sale
    New - KDG HK MR556 13.75" M-LOK Rail System - Black - HKP-19244 HK416, MR556 Rail System - 13.75" - M-LOK, Picatinny
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    HK416, MR556 Rail System - 13.75" - M-LOK, Picatinny

    KDG Kinetic Development Group

    Now: $259.95
    Was: $399.95
    Rail System - 13.75" - M-LOK - HK MR556 The New KDG HK 556 M-LOK rails are direct mount rail system, replacing the factory HK 556 rail systems. These new rails are identical in design to their big brother, the KDG HK 762 M-LOK Rail system. Like the 762...
    HKP-19244
    Now: $259.95
    Was: $399.95
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    Now: $259.95
    Was: $399.95
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  • New - H&K HK MR762/416/417 Buttstock Release Lever - RAL 8K - HKP-19339 HK416, MR556, HK417, MR762 Buttstock Release Lever - RAL8000
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    HK416, MR556, HK417, MR762 Buttstock Release Lever - RAL8000

    H&K Heckler & Koch

    $29.95
    Heckler and Koch MR556, MR762, HK416, HK417 Buttstock Release Lever - RAL 8000 Factory buttstock release lever finished in RAL 8000 for HK MR556, MR762, HK416, and HK417 platforms. Designed as a replacement component for compatible collapsible stock...
    HKP-19339
    $29.95
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  • New - H&K HK MR762/MR556 Buttstock Release Lever Insert Spring - HKP-16611
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    HK MR762, MR556 Buttstock Release Lever Insert Spring

    H&K Heckler & Koch

    $9.99
    H&K HK MR762/MR556 Buttstock Release Lever Insert Spring   Compatible With: HK MR556 HK MR762  
    HKP-16611
    $9.99
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    $9.99
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  • Out Of Stock
    New - HK 416/MP5 Sling Swivel - HKP-16318 HK MP5, HK416 Sling Swivel

    HK MP5, HK416 Sling Swivel

    HKP HK Parts

    $34.95
    HK 416/MP5 Sling Swivel Sling swivel for the Walther 416 and MP5 .22 rifles. This will attach to the quad rail on the 416 to give you an attachment point for a 2 point sling. May also be used with the an MP5 that has a tri rail set up.
    HKP-16318
    $34.95
    Out Of Stock
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    $34.95
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  • New - H&K HK MR556/MR223 A5 Incomplete Upper Receiver - Black - HKP-18785 HK MR556, MR223 A5 Incomplete Upper Receiver
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    HK MR556, MR223 A5 Incomplete Upper Receiver

    H&K Heckler & Koch

    $489.95
    HK German Un-Assembled/Stripped HK MR556/MR223 A5 Upper Receiver Factory HK MR556 A5 upper receiver. This is the semi-auto MR556 variant. Compatible With: HK MR556 HK MR223 HK 416*** Need a matching lower for your build?  STS416 A5 LOWER -...
    HKP-18785
    $489.95
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    $489.95
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  • HK416, MR556 QD Handguard - A4 Style - 10" HK416, MR556 QD Handguard - A4 Style - 10"
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    HK416, MR556 QD Handguard - A4 Style - 10"

    H&K Heckler & Koch

    $497.95
    H&K HK416, MR556 A4 10" Quick Disconnect Handguard Factory HK A4 handguard featuring HK's A4 quick disconnect latch.  Compatible with A1 and A4 rifles. Features: Quick disconnect latch for tool-free removal and installation 12 o'clock Picatinny...
    HKP-22426
    $497.95
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  • On Sale
    HK416, MR556 CQC Pistol Grip - Walnut HK416, MR556 CQC Pistol Grip - Walnut
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    HK416, MR556 CQC Pistol Grip - Walnut

    JMK

    Now: $59.96
    Was: $78.95
    JMK HK416, MR556 CQC pistol grip - Walnut The CQC pistol grip by JMK is crafted from CNC-machined black walnut. After machining, the grip is dyed to a uniform color and finished with a catalyzed satin seal. These grips are compatible with any firearm...
    HKP-22401-M
    Now: $59.96
    Was: $78.95
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    Now: $59.96
    Was: $78.95
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  • On Sale
    HK 416 A5 Bolt Carrier H&K Heckler & Koch HKP-22328 HK 416 A5 Bolt Carrier H&K Heckler & Koch HKP-22328
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    HK416 A5 Bolt Carrier

    H&K Heckler & Koch

    Now: $1,549.95
    Was: $1,997.95
    H&K HK416 A5 Bolt Carrier Factory HK416 A5 full auto bolt carrier.  This carrier is backwards compatible with earlier HK416 A1 and A3 variants. Features the updated captive firing pin retaining system. Compatible With: HK416 A5 HK416 A1 HK416...
    HKP-22328
    Now: $1,549.95
    Was: $1,997.95
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    Now: $1,549.95
    Was: $1,997.95
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  • New - H&K HK MR556 A4 Complete Upper w F/A & Ejection Door - HKP-21929 HK MR556 A4 Upper, Complete - Full Auto and Ejection Door
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    HK MR556 A4 Upper, Complete - Full Auto and Ejection Door

    H&K Heckler & Koch

    $845.95
    HK Heckler and Koch A4 Complete Upper with Full Auto Ejection Door for HK MR556 The HK MR556 A4 Complete Upper is a superior factory assembly that comes fully equipped with a forward assist and an ejection port door, providing unparalleled reliability...
    HKP-21929
    $845.95
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    $845.95
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  • On Sale
    New - B&T APR308 Deployment Bag - With Sling - HKP-21881 B&T APR308 Deployment Bag - With Sling
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    B&T APR308 Deployment Bag - With Sling

    B&T Brugger & Thomet

    Now: $199.95
    Was: $349.95
    B&T APR308 Deployment Bag - With Sling Hidden for years in an unmarked crate, these genuine B&T contracted deployment cases are perfect for keeping your valuable B&T APR rifle safe and secure.  The cases were made in Poland by NFM Group...
    HKP-21881
    Now: $199.95
    Was: $349.95
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    Now: $199.95
    Was: $349.95
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  • Out Of Stock
    New - H&K HK 416 & HK MR556 Assembly Wrench Tool - HKP-20616 HK416, MR556 Assembly Wrench Tool

    HK416, MR556 Assembly Wrench Tool

    H&K Heckler & Koch

    $699.95
    H&K HK 416 & HK MR556 Assembly Wrench Tool Factory HK German multi-tool for the HK416 and MR556. The perfect tool for a complete breakdown. 
    HKP-20616
    $699.95
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    $699.95
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  • Out Of Stock
    New - HKP HK MR556/416 Upper 8" 416C Style Conversion Kit - HKP-18629 HK416, MR556 Upper 8" 416C Style Conversion Kit

    HK416, MR556 Upper 8" 416C Style Conversion Kit

    HKP HK Parts

    $1,285.95
    Upper Conversion Kit for HK416 and MR556 8 inch barrel - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 8" barrel conversion kit for 416 or MR556. Each conversion kit...
    HKP-18629
    $1,285.95
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    $1,285.95
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