Tons of good loads for the 375 H&H. I would start with appropriate powder(s) you already use. I shoot 250gr Sierras, Win 760, Win primers and Remington brass. I only push them to 2700fps. Trajectory very similar to a 180gr 30-06 load. Recoil is very manageable and much less than full house 270gr...
The 358 is one of my favorites and I hunt with it a lot. Deer, moose and elk.
Two things I always consider:
1. Max range I have retained velocity for reliable expansion. I don't know your numbers but will bet you'll be at around 1800 fps at around 250 yds.
2. Max range I can hold on hair and POI...
The 405 gr loads are typically around 1300 fps. The 300 gr load should be around 1800 fps. Any will whack a deer. They likely will not shoot to the same point of aim. I use 300 gr bullets because that's what shoots the best in my rifle.
I had originally loaded 200 gr Hornadys when I started messing with the 358. They shot well and worked on whitetails. The best velocity I could get was a little over 2500 fps. I get right at 2450 fps with the 225 gr Partitions and Sierras and that's not a "hot" load. That's with a 20" barrel...
It can be... but some things to consider. As Fotis said with a BLR it's too long and seating it deep is not a good option. You'll use up useful case capacity and the fact ABs like a jump just makes it worse. If you have a bolt gun with a longer magazine and appropriate throating it could work...
If there is an "off" shoulder, then there must be an "on" shoulder... and everything I shoot "drops in their tracks" (except what I wing-shoot). :wink:
Can be a controversial topic. I crimp all my reloads. I don't target shoot other than prep for hunting. Hunting ammo is subject to a lot more "abuse" than just loading it up, putting it a nice box and taking it to the range and shooting it. I don't worry too much about bullet pull or setback...
I have a Model 65/218Bee. Go Browning. I won't go into the history but there is no compelling reason to choose a Marlin unless you are a big Marlin fan and/or have something in general against Browning/Winchester.
Almost all my rifles are Rugers - MKlls, Hawkeyes and #1s. I have a couple of short action BLRs. The first one I purchased to get a 358Win as it wasn't available from Ruger at the time. The 2nd BLR in 300WSM, I bought due to my experience with the first. I have since acquired a Hawkeye in...
More the action than the brass. While some cartridge designs are more prone to stretching etc. than others ultimately it is the action that holds pressure. The brass is more or less a gasket. See "Ruger Only" loads...
Bed it like you would any rifle. Just make sure that big lug takes the recoil and the rear of the action and tang have some relief and the mag box doesn't bind. Try it with the barrel floated. If it doesn't shoot the way you want floated I would do the whole channel vice a pad at the end.
It may or may not be "flyers". It may just be indicative of the true group size. Three shots is ok to check zero but is not definitive to establish grouping ability. How does it shoot off of bags vs bipod?. If it ends up consistently shooting into two small groups I would suspect bipod or...
I think history has already decided that question. The '03 Springfield & P-17 Enfield are essentially Mausers with some changes. The Swede is a Mauser. The Krag, while a fine action, is not in the same league as a battle or hunting rifle. If you could have one prime example to build a custom...