Originally Posted by ed good
sort of like when barrels are machined for after market choke tubes, the customer should be advised that the barrels may or may not require re regulation...

When done properly, the threading a barrel for choke tubes never causes POI to shift. But, I'm not going to waste my time explaining to you why. Look it up for yourself.

Another swing and a miss. Wish we had an umpire, 'cause you're way past three strikes.

May God bless America and those who defend her.