Polymer Magazine: 7 PRC-sized Cartridges, 3-round, AICS, CIP Length, MDT

FIRST, check the cartridge.  This is the correct magazine for the following cartridges: 

• 7mm PRC

This is NOT the correct magazine for .300PRC, 6.5 PRC, .300WSM, etc.  

SECOND, check the magazine length.  This magazine is a long-action CIP length (3.85"), which means this is the correct magazine for use in the Backlight Chassis for all action brands EXCEPT TIKKA.  THIS IS NOT COMPATIBLE WITH TIKKA.

THIRD, check the material.  For these cartridges, we only carry a metal magazine because it makes feeding work better.  It costs a little more, but you can bend the feed lips on these magazines to dial in your feeding, which can be required for these long magnum cartridges that can be a little finicky.  You're good to go.