With all the battery cup flush with the shell foundation the primer cup could possibly be more convex in comparison to the Winchesters Consider a pair with a little more strain to deep seat ( In the event your loader lets) and find out if that makes a variance.
There's only 1 way to get an accurate solution towards your query instead of speculations and conjectures: cautiously assemble ten identical shells working with Every single primer and ship them to a ballistics lab just like the 1 at Downrange Mfg.
Probably it's got some thing to accomplish Along with the angled firing pins utilized by about/under shotguns. The BT-ninety nine contains a straight line firing pin as do most all pumps and autoloaders.
The one thing that issues is tension and darn handful of people will expend the money to obtain the devices to do this however, if you do, that really (evidently) essential velocity might be received (and properly).
Then at some juncture this ceased, they usually had been transitioned to CX2000. I believe the CX1000 continues to be obtainable while in the EU and United kingdom, combined with the CX2000.
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Been using Federal 209's but following speaking with a gentleman this past weekend he kind of steered me toward medium heat primers with Steel Powder for my sixteen and 20 ga bismuth loads that will help continue to keep pressures down. I just experienced some poor experiences with Kent Fasteel Using the primers not initiating during the mid 2000's and I'm sure they use Cheddite 209's. Are Cheddites as responsible as Winchester's? :support:
pressures in every single place For anyone who is only loading a number of containers for hunting I'd acquire the right primers In case you are loading a large volume then
have used winchester primers For many years without difficulties. just begun with cheddites this week. they appeared terrific but now my firing pin is piercing the primer. loading sts gentle loads, in K80. now screwded once again!
EDIT I just pulled the shell lifter out and took some measurements. It does seem like the deformation inside the hulls in good shape The form of your lifter. I will load and Test some tomorrow to see when there is a sample to it all. I may even carry some samples to work Monday and get well measurements.
I'm sure several of the crappy spaghetti guns make loads of recoil and that can result in pierced primers but that's not only with Cheddite primers that's with plenty of brand names.
I've had zero problems making use of Cheddites While using the very same recipe that specify W209. I'm by no means near the max of any load.
" Shotshell loads are notoriously issue to lots large rifle primers winchester of unintended stress effects when factors are substituted. As numerous users have composed on this issue, just comparing just one load to determine if primers generate a force change, and after that assuming that every one other Cheddite primer swaps have to make the exact same kind of stress variance with other load data, is nuts.
