MTM Muzzle Loader Dry Box

MTM Muzzle Loader Dry Box. As all Muzzleloaders know, black powder and powder substitutes must be stored in a controlled environment to protect them from moisture. That is why MTM designed the new MuzzleLoader Dry Box - it is the ideal possible bag - box for active muzzle loading black powder enthusiasts. No matter what the weather, the ML-1s roomy base interior shuts out moisture problems with a tight, weather resistant, O-ring seal.