Shop › PROMAG RUGER P90 45ACP 10RD BL PROMAG RUGER P90 45ACP 10RD BL $28.99 ProMag Industries Magazine, 45ACP, 10 Rounds, Fits Ruger P90, Steel, Blued Finish RUG04 Quantity: Add To Cart Added! ProMag Industries Magazine, 45ACP, 10 Rounds, Fits Ruger P90, Steel, Blued Finish RUG04