How accurate is that Proof prefit? I am debating on whether to get a prefit and save money or get a custom chambered one.I'd have to look back to be sure, but I think the I sold the barreled action in the $13-1400 range. I bought an Origin at 10% off, ~$745, when Brownell's still allowed the coupons on them. I then purchased a Proof Origin Pre-fit for $730. In my case, ~$150-200 net upgrade cost. It was well worth it to me.
I will say I also have a BA Tactical and the action on that is much better in overall & definitely in smoothness than the MPR. They clearly put a bit more development effort in to the BA Tactical's action (which is shared with the ELR).