Lying on the stomach, the shooter holds the weapon with two hands and one shoulder; the cheek can be held against the stock but the forearm cannot touch the ground.
kneeling position
Three points of contact with the ground are allowed: left foot, right knee and toe of the right foot (for a right-handed person); the rifle must be held in two hands, against the aiming shoulder.
standing position
The shooter stands with two feet on the ground and no other support; the rifle is held in both hands, against the shoulder and along the aiming cheek.