armalite part no:U10A4BSB-5
armalite product description:AR10A4 UPPER HALF SS COATD BBLSPECIAL BUILD
i am selling this brand new armalite ar10 upper 20". its brand new never been fired. i got it a couple of weeks ago but chose to start a different project. it comes with complete bcg and charging handle, just slap it on your lower and ready to fire. $900pm me. im in baton rouge
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