Introduced in January, 1992, CLAYS gunpowder has "taken the clay target world by storm". It is the cleanest burning , most consistent 12 ga. 7/8., 1 oz. and 1 1/8 oz. powder available today, the preferred choice of competitive target shooters.. The superb burning characteristics of this powder produce soft, smooth recoil and excellent patterns. These features transfer directly to handgun applications where target shooting is the main goal. 45 ACP and 38 Special are only two of the cartridges where CLAYS gunpowder provides "tack driving" target accuracy with flawless functioning. Available in 14 oz., 4 lb. & 8 lb. containers.
Big Book Catalog, Issue:67, Page:526
Sinclair, Issue:4A, Page:094