When you use steel shot you are using a product that is harder than some older barrels and nearly as hard as a few modern barrels. Sooner or later your bore will show the scuffs and scars where the shot has embedded in, and slipped through the slits of the wad. Since steel is not nearly as dense as lead, larger shot sizes and higher velocities are the only way to get it to perform equally. Bigger, faster, and harder pellets beating the hell out of your choke at 1500 fps is a huge amount of stress to expect your barrel to absorb.
Can you use it? Sure. Will you need a new barrel if you use it ALOT? Probably.
Just my $.02
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Last edited by OlPainless; 11-03-2009 at 05:57 PM.