Originally Posted by Big Cholla

Before WW 231 came out I tried several shotgun powders trying to find a cleaner burning one to use instead of Unique. I did try Red Dot for very long finding that it didn't meter very true and very small variations made for wild changes in pressure. The WW 231 data for 45 acp and 38 Super came out and I found my go to powder for years of IPSC and IDPA competition. I then found for my today's range loads that I liked Universal Clays very much. UC is now called just "Clays". I regard Clays as my clean burning modern day Unique. .............