Aero forged lowers have the tensioning screw for upper-lower fit. 75 bucks at the lgs. I see no need to buy anything else, personally.
This ^^^^^^^ great value for the money.
kwg
For liberals and anarchists, power and control is opium, selling envy is the fastest and easiest way to get it. TRR. American conservative. Never trust a white liberal. Malcom X Current NRA member.
