Thompson Center™ Magnum Brass Powder Measure - 31007102The Thompson Center Magnum Brass Powder Measure is designed with inline muzzleloading in mind. Capable of holding a full 150 grain magnum charge it can accommodate a magnum load in a single measurement. Unlike most powder measure that cap out at 125 grains, this powder measure makes it easy and fast to load magnum loose powder charges in any inline muzzleloader. The Thompson Center Magnum Powder Measure is marked off in 10 grain increments for easy