I built up a Steven's and it has a Choate varminter, very strong but heavy. The pistol grip fits perfectly, unlike the hs precision on the remmy which is terrible prone and poor sitting.
The Choate was never intended to shot on bags or rests. It has flat bottoms with serrations which doesn't go good with rests and bags to put it politely., but at least they run almost parallel to the bore. I use a bi-pod on the front and on the buttstock, I tried a piece of 1.25" dowel to help ride the bag. It looks like crap but works. I'll have to make some sort piece that looks like it could be a factory bag adaptor. The hi cheek piece adaptor that comes with it wasn't hi enough for me so I put in a couple of spacers under it, now its the perfect height. Also, the bi-pod adaptor for the forestock wasn't good enough for me so I put in a custom stud.
I really like the stock now, didn't think I would though, its the grip I like. Not that Brownell's can sell it to you but their gunsmith/dealer/poor Canadian SOB price for one is $135US.