The model XL-90 INTERCHOKE is a newly conceived Over & Under, built with the finest materials, resulting the ideal shotgun for the ALL PURPOSE shooter, with the following specifications: Gauge: 12, 20 Chamber: 76 mm. Automatic ejectors. Single selective trigger. Receiver: Chrome-Molybdenum steel. Chromed Barrels, Monoblock system and Chrome-Molybdenum steel. 5 Screw-In-Chokes (CL - ++++ - +++ - ++ - +). Also available with fixed chokes.