40 S&W Bullet & Brass Questions


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NoHarmNoFAL
March 21, 2005, 04:19 PM
First off, I have been loading a Berrys 135 gr RS (Round Shoulder) I just bought some 155 gr. bullets and I have a question. Could I just load these up and hot have to change my OAL. Isn't the only difference between bullets of the same profile but varying grains the depth that the bullet would be seated into the case?

Secondly, I have been finding Winchester brass in 40 S&W that has a crimped primer pocket. This really stinks.

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Kamicosmos
March 21, 2005, 10:40 PM
The crimped primer pocket is interesting...I haven't run across that on handgun ammo from Winchester. Will have to keep my eye open.

As far as OAL when changing bullet wieghts...most likely you'll have to tweak your settings just a bit. I have loaded 155 and 165 gr bullets in 40 with no adjustments, but going from 165 to 180 I have to adjust. (A side note, 158 to 125 .357 requires alot of change!)

NoHarmNoFAL
March 21, 2005, 11:50 PM
As to the primer crimping, Winchester is also crimping some of their 45acp primers also. Be aware of them, in 45acp the headstamp is different from other Win. headstamps but in 40 S&W there is no difference that I could see in the headstamp.

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