572 Winchester Smokeless Powder 1 Lb is strategically designed to do a myriad of jobs. First it has the correct burn rate to create the famous 3 ¼ dram equivalent, 1 ¼ oz, 1330 fps 12 gauge load, originated by Winchester.And, it does it with any brand case! Back Fence competitors and pheasant hunters will be delighted.Now, that is just one application, and it goes on to provide clay target loads superb in 20 gauge and 28 gauge, top field loads in both, and, outstanding field loads for the wonderful 16 gauge. In addition, 572 has a vast number of pistol applications, ranging from the 25 ACP to the 45 ACP, and all popular calibers in between. This is one positively versatile and useful propellant.