The Slavia 631 break-barrel is intended for general sport shooting and to this purpose its design has been adjusted. The stock is made either from beech wood with a polyamide buttplate or plastic with an adjustable buttplate. The barrel is fixed in its idle position, the receiver is factory milled for a scope mount. The rear sight is adjustable for elevation and windage and the trigger pull weight is adjustable as well. Also this version is equipped with an automatic safety.