Weight Barrel Length Barrel Width 21 gram 50.30 mm 7.20 mm 22 gram 50.30 mm 7.50 mm 23 gram 50.40 mm 7.40 mm 24 gram 50.40 mm 7.40 mm 25 gram 50.30 mm 7.40 mm 26 gram 50.30 mm 7.50 mm