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SDB Crimp on .38 Spl


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Using a Dillon Square Deal B...

Just setting up for a lead 125 gr RNFP in 38 Special cases (cowboy load). I first made a noobie mistake in seating the bullet at the loading manual OAL (1.445).

I've figured out I need to go to the crimping groove which is shorter than the manual OAL, so I fixed that.

I've got about a + 0.015 flare. Before flaring, after sizing, the cases fit fine in a revolver cylinder.

After seating the bullet to the crimp groove and crimping, there's a definite lip or edge on the top of the case. The case will not enter a test cylinder.

Does that mean just keep increasing the crimp until the case will fit?


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