Mr. 16 gauge,
I say, "go by the reloading manual" and Unique is a very fine powder in autos. I put a slight roll crimp on my .45ACP 200 grain SWC cast loads and get flawless feed and function. I would put a light crimp on shot capsules in the .45 or .38 Super.
Best of luck.
Adam
__________________
Adam Helmer
|