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