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Muskrat,
Not trimming straight wall handgun cartridges is a no no. Let me explain. If you are using a roll crimp, the amount of crimp is directly related to the length of the cartridge case. The amount of crimp establishes the amount of bullet pull or bullet tension from round to round. If the bullet tension within the case is not constant it will not produce accurate rounds. Accuracy in reloading is accomplished by acheiving the same results from one cartridge to another, thus all of the cases need be the same for real accuracy.
I shoot sub 1 inch groups with my 357 mag and my 357 super mag reloads at 100 yards and a 44 mag will shoot 1 inch at 100 yards. But this is not possible unless the brass is properly prepared.
Ed
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