The Redding Match-Grade Model 3BR Powder Measure was designed with an impressive array of features to make it the ultimate powder measure available on the market today. Best of all, this powder measure is completely ready to use right out of the box! What more could you ask for? The Redding Match-Grade Model 3BR Powder Measure includes all of your favorite features from the original Model 3 Powder Measure, with the addition of some new features. These new features include an adjustable powder baffle, a positive lock design, and a special mechanism that eliminates backlash.