Size of muzzle: B0 D1 OB4 R3L 10 4 B2 J1 R1L 13 6 8 B4 OB2 R3 0 3.5 B0.5 D2 R0 R4 11 4L B3 J2 R2 6L 9 BT OB3 R3.5 1 B1 D3 R1 12 2 5 B3.5 OB1 R2L 3 7