Depends on the gun, You can most likely shoot smaller steel thru It like #3 and #4 just stick to the standard velocity stuff. I shot everything including BB thru my Browning auto 5's with fixed full chokes and they patterned ok and never suffered any damage at all. and I am talking thousands of rounds through each.
CPL holder since 1991, NRA Lifetime Member, DU Member, NICET certified
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