N310 is an extremely fast-burning pistol powder, ideally suited to light, target type loads. It gives outstanding accuracy in a wide range of cartridges from the 32 S&W Long to the 45 ACP wadcutter loadings.
Clean burning, consistent and easy to load, N310 is the top choice for the competitive Bullseye pistol shooter.
Big Book Catalog, Issue:68, Page:544
Sinclair, Issue:5B, Page:094