Mec Mayville Replacement Bottle 301L13X. It is unsafe to put powder in a glass jar or bottle or any other container which could cause pressure buildup. Store your powder where there is no chance of spark fire or flame where it is cool and dry and where children cannot reach it. Modern smokeless powders must be confined to cause an explosion. Specifications for Mec Mayville Replacement Bottle 301L13X: Manufacturer: MEC Quantity: 1 Additional Features: Replacement Bottle Caliber: Universal Package Contents: Mec Mayville Replacement Bottle 301L13X The Mec Mayville Replacement Bottle 301L13X is a quality addition to the MEC lineup. For more great deals on Powder Handling by MEC please browse our Mec Reloading Equipment page. Mec Mayville Replacement Bottle 16703