I have done internet searches I just thought I could find out more info by askin.I don,t like spendin hours starin at a computer screen.I ain,t that computer savvy.I am far from inexperienced.A 20 gauge and a 16 gauge has been my go to for years and probably will use a 410 this year as well.I wish I would have bought a 10 back when more Co,s made em.