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Brass was hard to extract after not chambering completely.
I think the explanation offered by tp555 is probably a most likely contributor. He opined that the process of forming the new shoulder on .223 brass was leaving a curve that does not allow the brass to go in as deeply as it might.
As I said, I have been able to make a small number of pieces that do fit into the chamber gauge and do chamber in the rifle.
Will load and fireform some of those tomorrow. Will be very interesting to see how the shoulders looks after firing and how they then work in the sizing die.
Have to admit I would be quite disappointed if I am not able to make cases from .223 LC brass. It would very definitely change the economics of the Whisper. At nearly $2 a round for loaded ammo, I'd rather handload a big bore!
If anyone can sell me a couple of 300 Whisper headstamped cases I'd sure appreciate it!
(May also call my buds at Douglas and see if they have gauges for .221 Fireball. Would confirm the chamber gauge and chamber.)
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Threaded Mode