I guess those are my choices. I really would like to get either the 300 WSM or UM with a detachable mag, stainless, ext. I really don' t understand why the gun companies don' t make one. I guess Rem. could make one (300 SAUM) but they don' t yet. Last year I was talking about this and even emailed them about it but they came back with a rather candid response about next year' s product line and not at liberty to talk about it. I must be the only person interested in a combo like this.