Home / Semi Automatic / CSA M CLASS CSA M CLASS Category: Semi Automatic Product ID: 5700 Description Description CALIBER 12 Ga, 76 mm Chamber RECEIVER 7075 Aluminum BARREL 61/66/71 Cm 4140 Steel CAPACITY 3+1/3+4/3+7 Shot STOCK Synthetic or Walnut Related products CSA 17-Exalance CSA 01 CSA 12