IMR Powder – BLUE 1lb

IMR BLUE 1lb Powder With the slowest burn speed of the new IMR family, IMR Blue is a true magnum propellant yielding outstanding performance in 12‐gauge shotshells. Ideal burn speed for back fence games where 1‐1/4‐ and 1‐3/8‐oz. loads are the norm. Data for 10‐gauge, 16‐gauge and 20‐ gauge also available, providing true magnum velocities and performance. 1lb IMR Blue powder,