Laylax now have in stock their new Prometheus 112.5mm Inner Barrel with 6.03 diameter . This can fit the Tokyo Marui Hi-Capa 5.1, M1911A1, and M45A1 Gas Blowback Pistols... "Pouring in the technology cultivated in the EG barrel of Prometheus series without fail. We selected the material with the highest accuracy of 6.03 mm inner diameter dimension error of 1/100 mm, which has the strength necessary to maintain its accuracy, without compromise, eliminate unnecessary coating and hit the target with BB bullet It is a handgun barrel filled with the necessary elements."