SINGLE BARREL ACTION - LIGHTWEIGHT ALUMINUM ALLOY 7075 RECEIVER - FOLDS AWAY FOR STORAGE - CALIBER .410 - LOWER RECEIVER LIGHTWEIGHT ALUMINUM ALLOY 7075 - STOCK SPRING STEEL - FORE END STEEL - OVERALL LENGTH 35.8 OPEN 21.3 CLOSED - CHAMBER 3 - AVERAGE WEIGHT 3.3 LBS - BARREL LENGTH 18 - BARREL LIGHTWEIGHT ALUMINUM ALLOY 7075 - BARREL CAP STEEL - BUTT STOCK 6000 ALUMINUM BAKALITE