Another .375 H&H disappointment. My Winchester M70 Alaskan was made three years ago. I hope they have fixed the problems that mine had. The cheap expoxy bedding was not well done and the barrelled action was not centered. So I had it properly pillar bedded by a competent gunsmith. But that added $200. And it misfired, about one in four shots, due to a weak striker spring. A new spring has been on order for five months now. Elk season starts here in two weeks, and my rifle won't be ready. I'm so irritated by rifles that are made "as cheap as possible, and just good enough".
Longwalker,
Unfortunate to hear about your troubles with the Winchester M70 Alaskan.
They can have some quality issues, as like most manufacturers, it’s “how many did you complete today ?” Units per hour.
I bought my.375 H&H Alaskan used for a cheap price.
Testing with dummy loads, it would not feed correctly.
Checked the magazine follower spring, it was kinked off angle, by a significant angle.
Ordered Brownells sent a new factory spring, for $12, and I’m back in business.
Cycled ammo, perfect feeding, and shot like a champ.
pillar bedding is a good idea. Mine was okay.
Regarding misfiring and the striker spring, you may already know this, but remove, thoroughly clean and lightly lube the striker/ firing pin assembly.
Check for any machine burrs with finger tips and use needle files on the discrete angles. Clean and lube again.
If that doesn’t work then send it back to Winchester.
I find that post 2008 Winchester model 70s are properly machined, may need a little tuning.
I cannot speak to the bedding.
The three I have owned (.270, .30-06, .375H&H) all had good bedding.
If not proper, I would have Winchester restock the rifle.