I have several Remingtons, one Browning and one Savage. All of the Remington's shoot well, the browning shoots better. Now I will add an important factor here. All of those guns I bought and used before I reloaded. So factory ammo was all they saw.
The savage is a LRHunter hay I bought a few years ago and it by far shoots the best. But I also hand load for it. It's hard to call it a fair comparison like that, however I don't believe the other guns would shoot better with hand loads. The savage shoots one hole at 100 and around 1" at 500.