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is mk107 compatible with all milspec lowers? — 1 Answer

by al, from FL, United States Asked on June 4, 2022

Name Primary Weapons Systems MK107 MOD 2-M 7.75in .223 Wylde Upper Receiver (5)
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Answered by Hunter, Gear Expert, from OH, United States, on June 16, 2022

Yes, the Primary Weapons Systems MK107 MOD2-M .223 Wylde, 7.75in bbl Upper Receiver is compatible with Mil-Spec lower receivers.

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