310 and 330 grain jacketed .45 caliber bullet designed for magnum charges of BH 209 and smokeless powder. Effect on all sized game from zero to 600 yards. Available in 5 different overall dimensions to fit every barrel perfectly. Should you need sabots for a different caliber (.54 or .58), just order online and send an email requesting the caliber of sabot and your order will be packaged accordingly. Thank you.