IMR Blue Smokeless Powder 1lb
This new IMR family product is “green,” burns clean and in most cases, results in more energy from each grain of powder.
With the slowest burn speed, IMR Blue is a magnum propellant in 12 gauge shotshells.
With an ideal burn speed for 1-1⁄4- and 1-3/8-oz. loads Data for 10 gauge, 16 gauge and 20 gauge also available, providing true magnum velocities and performance.
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