And to follow-up on my previous post, I'll clarify that with having both options available, I'll take my 7-LRM if going for elk. Like the majority of posters are saying, it's going to cover more variables pushing a 180 or 195 gr bullet. Having said that, I'd be happy with the PRC if that's what I had. Load some Barnes or Hammers, and it'll punch hard out to 600 yd or so. You must know your hunting conditions and the majority of your target game. Everybody has a story to "prove" why their gun is better, but there's a lot of background information that is generally missing in "story to make a point" postings. Distance, bullet type, shooter ability, and the simple fact that not every animal shot the same reacts the same way.This is one of those "I love my rifle, so it's the best" discussions , but for kicks I'll throw in some cents. I've got a 7-LRM (similar to 7-RM). My son got a Christensen Summit Ti last year in 6.5 PRC. His is an extremely light rifle. Even with his 4-16x50 ATACR on top, its a dream to carry and shoot. (radial brake, but he's changing it out for a side baffle). While my 7-LRM isn't bad at all, it's still big blast and all that. His PRC is so much fun to shoot its about the only thing we've been using for groundhogs this summer. The thing is 1/4 MOA w/factory 147 ELD-M's and simply hits everything its pointed at. He couldn't be happier, and you know since it's a joy to shoot, he's doing all this long-range varmint shots throughout the year and he'll be confidant and deadly with it come big game. He's got all this experience to run on. In the end, that's what's going to count for you. Get a gun you love to shoot, shoot it a lot, and you'll be successful. If you use the right bullets for the job... Go for what you want.
The 300 WM is hard to beat for an all-around game-taker. Again, lots of variables such as stock design, gun weight, etc that factor into shootability and portability. Is it accurate if shooter does the part, or is it needing updated anyway? Maybe another (lighter) rifle is right for you. Or go ahead take up the generous offer by Feenix and try a brake on your good ole 300. I'm sure you'll be amazed how a good brake will tame the beast. But you know how it is, sometimes the itch for a new gun just needs scratched.