*SOLD* Adams Arms 7.5” 1/7 twist 5.56 piston upper. It is a factory upper that I had professionally cerekoted sniper gray. The rail is a Samson evo 7” rail. It come like you see it. Complete with BCG and Charging handle. The piston has three settings, Unsuppressed, Suppressed and off. It is easily adjusted by hand, no tools required. $400 shipped.
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