Yes, it should be compatible.
Top Tang Width: N/A
Top Tang Length: N/A
Bottom Tang Width: 1/2"
Bottom Tang Length: 5/8"
Stock Height at Receiver: 2 5/16"
Stock Width at Receiver: 1 3/8"
Overall Length of Stock:13 13/16"
Measurement of Receiver Mounting Bolt: 5 1/4"
Comes with Boyds' black plastic buttplate
Most 12ga, 16ga, and 20 GAUGE Ithaca 37 actions will work with this stock.