Smokeless Powder, Black Powder, Primers, and Fuses ship from our warehouse with other products. This ensures no more than one Shipping Charge and one HazMat Charge per order (unless you also order products that Ship Separately from MidwestPowders or our Suppliers). Each order is limited to no more than 25 pounds of Black Powder, and no more than 66 pounds each of Smokeless Powder, Primers, or Fuse. Smokeless Powder, Black Powder, Primers, and Fuses are considered hazardous materials, incur HazMat Charges, and can only ship ground freight within the continental U.S. Due to safety considerations and legal/regulatory reasons, Smokeless Powder, Black Powder, Primers, and Fuses cannot be returned.
Buy IMR 4831 Smokeless Gun Powder Online. 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. Buy IMR 4831 Smokeless Gun Powder Online.
Do not exceed the loads displayed in the reloaders guide.
Never mix any two powders regardless of type, brand, or source.
Never substitute any smokeless powder for Black Powder or any Black Powder substitute.
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.