If you are talking about bench or bipod use, both are very good. I say this from my experience with the equivalent configurations shooting left handed, left right, and right right. The difference comes in when you are shooting groups for competition, with all the bells and whistles including wind flags. In that situation right left (for you) has a speed advantage, because you can open the bolt with one hand and unload and load with the other, at the same time. If you are shooting more informally, without flags to tell you the exact wind condition between shooter and target, you would not really know about a condition holding, or their timing, in as fine a detail, so the likelihood of running groups while a condition is holding would not be an issue. Even so, shooting left left, you can come very close if you hustle. All of my varmint rifles are right right, and I really like not having to take my trigger hand off of the stock, or break position to load. Two of my three bench rifles are left right, and the third, based on a Remington is right right. I enjoy all, and do not have problems switching, perhaps because I am fairly good with both hands. I know fellows who are not. For them it might be different, but I think that it would just take a little more time to get comfortable.