^^ So you pay 3 cents per bullet and your brass is free? Where can I get in on that?
My concern with using lead cast would be fouling the gas hole that sends gas to the gas cylinder assembly. Foul that up, the whole gun operation is fubar. How about lead fouling in the breach? Could end up with lead shavings and deposits in the chamber and in the bolt and bolt face?
Lead deposits --- What are those Did you read my post...