Small in size but huge on home defense capability the Model 870 TAC-14 Marine Magnum combines the devastating threat stopping power of the TAC-14 with a electroless nickel finish. To help protect your home and family in any condition. The Model 870 TAC-14 Marine Magnum adds 4 rounds of 12-gauge backup when you need it the most. It's powerful personal protection at its absolute shortest lightest toughest and finest.