Set of measuring calibers of 7,62 mm.

Article: ME#510003

A set of measuring calibers for check of wear of the channel of a trunk of carbines of caliber of 7, 62 mm.
Calibers with a diameter of 7. 61, 7. 62, 7. 63, 7. 64, 7. 65, 7. 66, 7. 67 and rejection caliber of 7. 772 mm are included in the package. , and also an adapter handle and a cover for storage.

Attention! ! ! Before any manipulations with weapon, be convinced that the carbine is discharged.

All calibers in set are executed from special brand of tool steel. Their cylindrical part is made with high precision, has the set diameter and is processed to the necessary hardness which allows to use them for measurement of the channel of a trunk, without being afraid for its safety.
Real set of calibers of 7. 62 mm. allows to make objective assessment of diameter on fields of the channel of a trunk of cut weapon.
This set provides check of diameter of trunks in the range of 7. 61 … 7. 67 and 7. 772, with an accuracy 0. 01mm. Each of calibers has the, strictly set diameter with the positive admission. Adjacent calibers in set differ from each other with a diameter at one, strictly set size. The number of calibers in set is picked up in such a way that together they block the set range of measurements of the channel of a trunk on fields. It allows to carry out with the necessary accuracy an inspection and rejection of trunks of such weapon in all the range of the urgent sizes.
Attention! It is necessary to remember that the internal surface of a trunk, the result more precisely received and the longer service life of set of calibers is purer.