You shouldn't get either one to shoot benchrest factory class. Factory class will be fun only if you don't have to buy a new rifle for it, just shoot what you already have.
Why do I say this? OK, yesterday at Rockingham, we had 37 shooters. Only three were shooting factory class. Two of the three were experienced benchrest shooters (I was one of those). Two of the three were shooting 6-PPCs (I was not one of those) These were older rifles, a Sako & a Ruger. The guy shooting the Ruger mentioned that the chamber was tight enough that when using Lapua brass, he had to turn the necks just a bit. The Sako apparently had a lot of rounds down the barrel, but was still a pretty good rifle. FWIW, I was shooting an older Savage .223, but a good one, that will agg about .270 -- .300 at 100 yards. That's agg, as in five consecutive five shot groups, counting all the shots fired for record.
If you are going to BUY a rifle for shooting factory class, you should look around for a good used rifle that has proven itself capable. Or, buy a brand that you know there are a lot of take-off barrels available, & you know where to get them without paying much. A good barrel with a factory rifle is just a matter of odds, not brand, so knowing about a supply you can pick & choose from really increases those odds.
The whole point of the factory class, is to let people give benchrest a try without spending a whole lot of money. Shoot what you have, or be prepared to spend more than the cost of a real benchrest rifle.
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If you're wondering why I shot factory class, it is because I'm waiting on cataract surgery. At this point, I can't see the X-dot on a 100 yard target, & so cant' shoot for Xs. I think the other BR shooter at Rockingham yesterday was letting his wife shoot the BR rig. The third guy, who won with his Ruger 6PPC, was an experienced shooter, but not a (yet) a BR shooter. Having said that, the factory scores were about what you would expect. Well down from the BR scores, though we did do pretty well against the "custom" rifles.