I don't re-load and only shoot newly manufactured rounds (from several makers) so I would assume they are at the proper dimensions. I drop the back end of a round in toward the rear of the well and press them in with the first three fingers of my right hand.
They can really go anywhere, nose up or down, even at the far upper left of the well where they don't belong. I have been dropping in one round at a time and they feed fine that way, helps to keep the barrel a bit cooler that way (I think).
Normally I prefer to keep things relatively factory stock but I think I might choose to "build" my 700. Starting with a Bell & Carlson Tactical Medalist A2 Style stock and perhaps a Wyatt's Outdoor Detachable Magazine Assembly. That should increase accuracy and negate the loading problems. What do you think of that combo???