hydro form die "they take a while to get made, not sure if redding hornady etc. are even doing any now theyre swamped trying to restock std. dies"
or
buy a shot out 6xc barrel and fire form with that. powder situation kinda two blocks ya there too.
my first thought when I started reading is thread is how bout switching primer brands first instead of reinventing the wheel. a very smart old mechanic told me one time......
"start simple son"
the cci's are the worst as far as getting loose, I wont run em for that reason.
as a side note the handgun shooters got a neat tool that actually rolls the base of the case to tighten the primer pockets. given the current supply situation, id say a lot of money could be made with a similar setup for rifle. maby hornady needs to build a high speed version.
they may not be as efficient in some ways but the ole 243 is just a solid cartridge.
Oh no doubt a 243 is great. I just wanted the room for a gas gun to and have quite a few buddies running the 6mm creedmoore so I went with it. I mean the gun shoots lights out and makes me look like I know how to shoot. I've got some federal gold medal 210m primers I'm loading up now to see if that makes a difference. They all measured the exact same though but a measurement befor hand isn't always going to be the tell tell truth. The Cci 250's have been my go to since I can get them locally and have tons of them. Bottom line is if the pockets are growing to 0.2095 or above then the primer will be semi loose. 15% of the primer pockets are at 0.2095 or larger which compared to my federal 308 brass that has 20 firings measures 0.2065 and those are some very hot loads with the same primers. I'll measure the new brass when it comes in. I have access to a Hart tool to reform the primer pockets but it's not worth the time. I'll have to double check some of the above measurements since I have a house full of 12-13 year old girls running around since school are out due to the possibility of snow/ice again. Lol
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