Quote:
Originally Posted by rascal123
I just got a S&W 40 M&P pistol, wondering what is best on reloading , a taper or a roll crimp, and why, I have not shot the pistol yet, or loaded any ammo for it yet, I am going to cast my own bullet. 175 GR lyman mole 2660638 . any one use this mole ? thanks .
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Use a taper crimp for semi-autos. You will want to seat the bullet in one operation, and apply the crimp seperately in another operation. It really doesn't work well to try seating and crimping the bullet at the same time because you are moving the bullet as you try to seat it, and your crimps won't be properly applied.