Home AR-15 Unboxing PSA – Machine Gun Steel AR 15 Upper – 7779351

Unboxing PSA – Machine Gun Steel AR 15 Upper – 7779351

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First and only take posted here of the unboxing of the complete upper receiver assembly from Palmetto State Armory. This has a barrel made by FN USA using their “machine gun steel.”

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6 COMMENTS

  1. thanks for the video, i look forward to seeing the complete project. I used the same barrel on a build a year ago and am very happy with it. please upload your lower build if you have it.

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