Radical Firearms 10.5" 5.56 1/7" Twist Upper w/ Radical Hybrid Rail. Used, but in great condition. Fits nice and tight to my spikes lower with no wobble. Slight normal wear on the charging handle latch. Never had any issues. Maybe 500-800 rds down the pipe. A little overgassed with an H buffer, but H3 buffer tames it nicely or an adjustable gas block would work too. Including an additional rail (never installed) that was sent to me by Radical because of a cosmetic blemish when I first got...
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