The MAC 1014 Marine semi-automatic shotgun features a corrosion-resistant electroless nickel finish designed for harsh marine environments chambered in 12 gauge with 3" chamber and 5+1 round capacity.MAC 1014 Marine Semi-Automatic Shotgun12 Gauge with 3" chamber capacity18.50" barrel length with electroless nickel finish5+1 round capacityFixed pistol grip synthetic stock in black finishBlade front and ghost ring rear sightsOptics mount ready for accessories3 chokes included (Beretta/Benelli Mobil configuration)8 lbs weight 47.80" overall lengthBuilt for tactical applications and marine use this shotgun combines reliable semi-automatic action with corrosion-resistant construction making it ideal for law enforcement home defense and harsh environment operations.