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 - HKP HK 416C 9" Complete Upper Receiver Assembly - HKP-21042 HK416C Upper Receiver Kit - 9"

    HK416C Upper Receiver Kit - 9"

    HKP HK Parts

    $2,799.95
    HK416C Complete Upper Kit - 9"  Our complete 416C upper kit includes everything you need to pair with a mil-spec lower or an STS 416C lower. For that genuine look, the STS 416C lower with the correct 416C stock eyelets is as good as you can get...
    HKP-21042
    $2,799.95
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    New - H&K HK416A1 10.4" Upper Receiver Kit - AI Date Code (2008) - PD Trade-In - HKP-22245 H&K HK 416 10.4 - AI Upper H&K Heckler & Koch HKP-22245
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    HK416 A1 Upper Receiver - 10.4"

    H&K Heckler & Koch

    Now: $2,999.95
    Was: $3,499.95
    HK416 10.4" Complete Upper Receiver Features: Factory German 10.4" length 2008 date coded   P.D. trade-in, de-serialized during the de-milling process.  Finish your build with a matching lower from STS Tactical. Compatible With: HK416
    HKP-22245
    Now: $2,999.95
    Was: $3,499.95
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