Weever

it will work without any change on the xtra. Fill it, plug it in, and you're good to go.

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Spyder Electra '09(Spyder Electra review)
Vl Eye force (Vl Eye Force Review)
V-Force Grill owner



My others reviews :
Spyder VS1 review and Spyder VS2 review

How to's :
All Kingman series available explained
Clean and use a spyder VS1
Clean and use a Spyder VS2

My feedbacks :
Here on Paintballforum and Ebay