High-tensile frost-resistant environment friendly paper case cal. 12 and 16 is made of insulating cardboard.

The length of the case is 70 mm. Water resistance is provided by varnishing. The case can be supplied both without percussion caps and primed with KV-22 anticorrosion primer compliant with the European quality standards.

Advantages of high quality paper cases are low cost, reliability in severe climatic conditions, environmentally sound technology together with quick natural utilization. Cases were tested in the northern republic of Yakutiya at the temperature of -50°C and proved 100% reliability in shooting from self-loading guns. The engineering design is protected by the patent of the Russian Federation.