Confused about rifling twist? Wondering if yours is correct? Not sure what twist rate is best for you? You are not alone! Many shooters today are faced with the same questions, and get far too many bad answers that leads to bad choices for their personal shooting requirements. GunBlue490 will explain every important thing that you need to know about selecting the correct twist for your rifle, and will demonstrate how to easily measure your rifle's rate of twist! Learn why the twist in your factory gun is almost certainly the correct one already.