HK416 / MR556 Receivers / Uppers

HK416 / MR556 Receivers / Uppers

Upgrade the core of your HK MR556 or HK416. Choose from genuine HK receivers, complete upper receiver groups, and stripped uppers for custom builds. 

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    New - H&K HK MR556 M-LOK 16.5" Upper Receiver Assembly - Black - HKP-17366 HK MR556 Upper Receiver Kit -16.5" - M-LOK

    HK MR556 Upper Receiver Kit -16.5" - M-LOK

    H&K Heckler & Koch

    $1,779.95
    New HK Factory German MR556 Upper Kit with M-LOK forearm Includes: Complete MR556 upper receiver with M-LOK forearm MR556 Bolt group Complete Tungsten Filled HK Buffer HK Buffer Spring One 30 Round HK Steel Maritime Magazine No FFL required as the...
    HKP-17366
    $1,779.95
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  • New - H&K 416A5 RAL 8K Stripped Upper Receiver - HKP-18787 HK416 A5 Stripped Upper Receiver - RAL8000
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    HK416 A5 Stripped Upper Receiver - RAL8000

    H&K Heckler & Koch

    $1,559.95
    HK German Un-Assembled - Stripped HK416 A5 Upper Receiver - RAL 8K Brand new factory German RAL 8000 HK416A5 upper receiver. Compatible With: HK416 HK MR556 HK MR223 Looking for a matching lower for your build?  STS416 A5 LOWER - Specialized...
    HKP-18787
    $1,559.95
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