would you tell me what load you're using in your Lapua to get 3,300 out of a 225 bullet. I can't find any load data that indicates a speed anywhere near that. Be one kick *** load for sure. I don't think I'd want to shoot it though, unless in a heavy rifle.
One other thing I'm curious about is why all the LRHs want to use the SMK rather than the SGK bullets. My finding has been that they're about equal accuracy wise, and the SGK would open better at longer range. Back when I started loading, in, as my one friend in Alaska says, the Dark Ages, bullets were so bad, that 2-2 1/2" 5 shot groups at a 100 yards, were more normal than anything approaching an inch. The bullets have improved so much that now it seems everyone thinks an inch group should be the largest one should shoot. I am finding that with the bullets of today, and the past 20 years or so, that's pretty doable. But I hunted with loads that went an 1 1/2" to 2" and never felt handicapped. But then, back then NO ONE was shooting at any game at 700 yds or so, not as a primary thing anyway. Elmer Keith did some long range shooting, mostly because of needing to in some circumstances. BUT, Elmer a good enough shot, he was always in the running in competition, and in 1925 at the Nationals, came in 2nd to a Marine (horrors), with one less V (todays X) in the 600 yd competition. This was shooting a 1903 Springfield match rifle, with iron sights, and military match ammo, which was no where near as good as what we have now. In that 600 yds competition, you shot a match at 600 yds, every day for 5 days.
Anyway, any load data you can provide will be appreciated.