Umarex T4E GLOCK 17 Gen5 Magazine 899 kr 809 kr Extra magazine for use with Umarex T4E GLOCK 17 Gen5 markers. Holds 8 paintballs. BUY Share Article Number: 3764 Information Reviews Extra magazine for use with Umarex T4E GLOCK 17 Gen5 markers. Holds 8 paintballs.