TYPE Flattened Spherical Double Base Powder BURNING RATE Medium PERFORMANCE BENCHMARK Winchester 748 / Norma 201 APPLICATION Best employed for rifle small caliber cartridges, also suitable for medium cartridges with low/medium power. Needed Magnum primers and bullet crimp. BEST USED FOR 222 / 223 Remington; 30/30 Winchester; 375 Winchester; 308 Winchester; 9,3 x 62.