MDT Metal Magazines – Long Action, are manufactured for 30-06 and 300WM calibers with a capacity of 5 rounds based on magnum rounds. The .300WM can also be used for 7mm, 30.06 and 6.5×55 calibers. In some cases the feed-lips may need to be bent. Our chassis systems for Tikka T3/T3x and Savage Axis have been manufactured to accept the custom 3.560 length magazine. You must use these magazines in T3 and Axis Long Actions!