The MX8 Combo is a complete set with interchangeable over/under and single-barrel trap configurations, allowing competition across all ATA trap disciplines with the same receiver. Type: Shotgun Action: Over/Under Caliber: 12 Gauge Capacity: 2 Year introduced: 1975, Italy Weight: 8.4 oz Overall length: 47" Status: Active Intended use: Trap, ATA All-Around Competition