I don't have one, but my shooting buddy does. His shoots great. He's seating his bullets long, way over book length and using 12.5 grs of Lil-Gun, with a Rem 6 1/2 primer and a 40 gr vmax. I know that's his load, because that's the load I shoot in my Contender handgun, and I handed him some to try in his 40, and they shot awesome. So he's just been duplicating my recipe.
However, the last time he had it out, he had a case head separation. I don't think he has more than 2 loadings on his brass. I have way more than that on my hornet brass in my Contender, more like 6 or 7 loadings. I've trimmed my brass twice. Upon looking at his fired brass, the rest of it looks ready to separate too. Also his chamber is pretty large, the area ahead of the web is obviously enlarged. He has only been FL sizing his brass, which I think is what's causing the separations, over working the brass. He's going to order a neck sizing die for it, which I'm sure will help. I was just surprised to see his brass swell up so much as compared to mine.
And yes, he's going to pitch the rest of his fired brass and start over with a new bag.
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