AR15 .17 cal ???
 

This place has them and just the uppers also.[URL="http://www.accuracysystemsinc.com/ar15_conversion.php"]AR15 Conversions Accuracy Systems Inc Custom Gunsmithing AR15 AR10 Ruger Mini 14[/URL] Anyone built one? What would be involved in building one? Could the .223 bolt be modified for this?:shruggs