Tikka Extended Magazine, Calibers: 25-06 Remington, 6.5x55 Swedish Mauser, 270 Winchester, 30-06 Springfield, 7mm Remington Magnum, 300 Winchester Magnum, 338 Winchester, 5 Rounds, Polymer, Black S5850375 Tikka T3 extra Magazines are handy to have in your pocket when hunting or target practicing" as an empty magazine can be replaced quickly and easily by a full one. Simply slip in a full mag and you are immediately ready to chamber another round.