Umarex Walther Rotex RM8 .22 (5.5mm) Spare 8 Shot Magazine 

Genuine Walther Rotex RM8 spare 8 shot magazine 

Made In Germany 

Umarex / Walther Part No: 465.171 

not recommended for 1250 Dominator PCP,  Umarex Hammerli 850 Air Magnum as don't work properly