I've been loading 40 S&W since it first came out in 1990. Man, brass was hard to find the first few years! 10 mm was everywhere. How times have changed.

I experimented with a lot of powders but settled on WSF long ago. I haven't had any problems with that powder and some of my brass is still in use from that time frame. However, I don't shoot Glocks, only HK and S&W. WSF gives a good loading density advantage, but a solid neck crimp is still needed to prevent bullet setback.

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