Unfortunately there are no commercially available 10rd mags for the 11VT. You can modify your mag depending on caliber. like http://www.savageshooters.com/showth...3-15rd-mag-DIY
If you have a .308 or .243 you can use a HK G3 mag and your standard mag like.
The other option is to but a new bottom plate that accepts ACIS mags
Hope This helps
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