Abstract: The present invention pertains to a carrier-suitcase, which can be moved on wheels as a carrier and can be carried as a suitcase. It has a body, whose interior is provided with a plurality of spaces (17,19,20,23-26), which are accessible in the part on the front side and in the part on the rear side of the body and which are intended for holding, in an orderly manner, at least one sports gun, such as a rifle, spare parts for the rifle, as well as cartridges and equipment and service components for the user.

Abstract: The present invention pertains to a precision mechanism for guns, in which the barrel of the gun has a threaded end section and a cylindrical section on the outside, and in which an alignment bushing, which has an outer conical surface with a conicity corresponding to the conicity of the conical hole in the breech-block carriage, is mounted on the cylindrical section, and an adjustment ring intended for resting against the alignment bushing and the breechblock carriage and a threaded locking ring of the said striking ring are screwed onto the said threaded section.