This is the Sabatti 3 round polymer .223 & .222 magazine for older format Sabatti Rover and Sabatti Tactical rifles, also sold as Mercury 600 series.
While they take 4 at a push, officially it is 3 rounds.
Please note: this is a round nosed single stack design with a round locking hole for older models.
Newer Sabatti models use the popular AICS format which has a rectangular profile, please see our AICS range.
Made from a tough reinforced black polymer.