IMR 4831 Smokeless Gun Powder
Production of IMR powders dates back over 200 years when the company was originally founded by E.I DuPont. Available for use in many reloading applications, the IMR series of powder is trusted by reloaders all across the globe.
IMR 4831 has a slightly slower burn speed than IMR 4350. IMR 4831 gives top velocities and performance with heavier bullets in medium-sized magnums.