Smoking is bad for you.![]()
Smoking is bad for you.![]()
The smoked bear ribs we just put in the freezer, along with some smoked lake trout from the trip Phil and Rick and I made last Thursday, are about as fine as it gets.
Doug's 9.3 Yukon has done the deed. Now, he just needs to get some Matrix bonded core bullets for it. That will pretty much ice the cake!
Ted
One of the problems with the old "pressure sign" of sticky bolt lift is that it used to be much more common in older rifles, with locking-lug surfaces and bolt faces that were often (or even usually) not particualrly square. When the case expanded a little too much, it was noticeably to open the bolt, due to those out-of-square surfaces, not to mention a case head that might have been pushed out of square. This was even true of the vaunted pre-'64 Model 70, because the action was heat-treated AFTER machining, which slightly warped the action.
These days even most factory rifles are more precisely made, and today's custom rifles are very square and smooth. Often sticky bolt-lift doesn't occur until pressures are way over 65,000 psi, or even 70,000.
One of the examples I have used several times before is the 7mm STW. When Layne Simpson developed it as a wildcat, he depended strictly on traditional pressure signs, and reported muzzle velocities with 140-grain bullets of up to 3600 fps at "safe" pressures.
When Remington decided to make it a factory round, they pressure-tested a bunch of those handloads, and found all were AT LEAST in the 70,000 psi range, and some well over. Which is why no 7mm STW factory load gets more than 3400 fps with a 140-grain bullet.
?...And for those of you who care, I made a couple of calls and was able to give the meat to Medvedqc (Phil) who will use it, which I don't with bear.
Different Phil than on the above-mentioned lake trout fishing trip, but this Phil really knows how to cook bear meat! The best bourginon I have ever eaten.
Now back to load development, considering the complete and utter failure of the 270 Speer I have decided to cease load development with it and have just spoken with Marshall @ Matrix bullets and ordered some of his 270 gn spitzer rebated boattail bullets which are a bonded/welded core.
You will be very pleased with both the accuracy and the expansion.
Douglas
Be that as it may Gatehouse, I am not experiencing sticky bolt lift, nor loose primers, nor ejector marks. No one is asking you to load as I do, but I'm using the same protocols I've used for 40 years of working up loads and it has never caused me any problems yet. May I suggest you oppose this thread solely because this cartridge makes your pet look pretty docile.![]()
These days even most factory rifles are more precisely made, and today's custom rifles are very square and smooth. Often sticky bolt-lift doesn't occur until pressures are way over 65,000 psi, or even 70,000
BUM where are you? I went out and did this at your very specific request.
I know, I know.......I've been working on giving it up but have yet to succeed.