Umarex Smith & Wesson M&P9 2.0 CO2 BB Gun 4.5MM Magazine 18 Rds. 2255005 New
This magazine part number is 2255005 and can be used for Umarex Smith & Wesson M&P9 2.0 Part Number 2255004 ONLY. This magazine does not come with the 6mm hex CO2 wrench.
This is designed to drop-free and holds 18 steel 4.5mm BBs.