The cartridge is of the separate loading Q.F. type and is used in the 75 mm 13 calibre howitzer.

The brass case is fitted with a Model 29 percussion primer and contains an 8 oz. 7 dr. propellant charge in four sections. The mouth of the case is closed by a cardboard cup. The case is 5.18 inches in length and is stamped on the base "7,5 cm M. 15".

The propellant charge consists of four bags, one of 120 grams and three of 40 grams of flake propellant. The dimensions of the flake are 0.394 x 0.394 x 0.039 inches. Details of the composition of the propellant are not yet available. The 120 gram section is "Charge 1" and is marked "Elemento Fondamentale". The 40 gram bags are each marked "Elemento Aggiuntivo". Each of the bags is also marked to indicate the weight of the section, the size of the flake, and with the designation "75/13".