Texas Hunter, I examined my old Remington model 700 ML rifle this morning and it does not have the 'false muzzle.' I believe this indicates that conical bullets would be appropriate to use in this rifle---rifling all the way to the end of the stainless steel barrel. In turn, I checked out the muzzle of my newer TC Encore muzzle loader in .50 caliber. It has the false muzzle as you predicted and advised. The last inch of so of the stainless steel barrel is smooth---no rifling to the end. Therefore, this rifle should be better matched up with sabot bullets for best accuracy. I have used the all copper Thor 300 grain bullet in the Encore with OK accuracy. I hunt Colorado so cannot use the saboted bullets that this Encore probably would like. Always something to think about in our everyday lives. Texas Hunter, any comments would be appreciated. Thanks, Cow Tag