11-21-2016, 05:19 AM
I bought two aero receivers and the parts kits fit perfectly.
Most of the manufacturers use the same base forging, and with today's CNC machines, the tolerances are pretty much the same. Our machine produced eight lowers in 102 minutes.
Most of the manufacturers use the same base forging, and with today's CNC machines, the tolerances are pretty much the same. Our machine produced eight lowers in 102 minutes.

