ProMag Ruger LCP II .22 Long Rifle 10 Round Pistol Magazine Blue RUG 27. Magazine springs are precision wound using heat-treated chrome silicon wire and each and every step of the assembly process is checked and double checked in order to maintain the same consistent level of quality. Specifications for ProMag Ruger LCP II .22 Long Rifle 10 Round Pistol Magazine: Manufacturer: ProMag Caliber: .22 Long Rifle Magazine Capacity: 10 Round Color: Blue Finish: Blued Blue Features of ProMag Magazine 22LR 10 Rounds Fits Ruger LCP II Steel Blued Finish: 10-Round Extended Magazine Package Contents: ProMag Magazine 22LR 10 Rounds Fits Ruger LCP II Steel Blued Finish ProMag RUG 27: Ruger LCP II .22 Long Rifle 10 Round Pistol Magazine Blue