System: Gas Operated - Gauge: .410 Ga. - Chamber: 3 inches - Stock: Polymer - Lower: Polymer - Upper: Aluminum - Barrel: Inner surface is hard white chrome plated outer surface is black chrome plated - Choke:Slug - Barrel: 18 inches - Length: 28.7 inches - Weight: 6.5 lbs. - Capacity: 4 + 1 rds.