See over on GunBroker.com frequently regarding Ported Barrels and sometimes here as well. When a barrel on any caliber is Ported wouldn't that slow the bullet down some with the gases escaping elsewhere other than the front of the gun? Is there really any advantage to a Ported barrel other than perhaps forcing the gun back down and not as much rise when fired ? Never have really seen any discussion here on the advantages/disadvantages of a ported barrel. In fact i saw a 640 over on GunBroker today with Ported on the top as well as Ported on the sides - probably a 2 inch barrel. Guy wanted right at $1,400.00 for it. It had some other stuff done to it, but really Porting a 2 inch barrel.

Whats the experts opinions here about Porting ?
Carl