IMR Powder, a subsidiary of Hodgdon Powder Company, announced a product recall and safety warning for its IMR 4007SSC rifle cartridge reloading powder. The company says certain batches of the powder are unstable and can spontaneously combust.

“IMR has received reports that this particular powder in 1lb and 8lb containers may have become unstable due to possible rapid deterioration,” the company says. “Use of this product from these lot numbers shown on the enclosed label may result in spontaneous combustion, fire damage or possible serious injury.”

The recall refers to six specific lots of the 4007SSC powder. Shooters who have powder from these lots should immediately stop using the product and fill the container with water to render the powder inert.

The lot numbers that are subject to recall include:


What to do:

  1. Stop using this product immediately! Fill the powder container with water which will render the product inert and safe for disposal.
  2. Mail, email or fax a copy of the powder label showing the lot number to the contact information below to include your name, address, phone and email.
  3. Replacement choice of any other IMR smokeless powder product will be shipped to you for no charge.
  4. If you have loaded the powder subject to this recall into ammunition, we recommend that you pull the bullets, remove the powder and wet the powder with water for safe disposal.

Customers who have questions can contact IMR Powder at:

email,, call 1-800-622-4366 or 913-362-9455 and fax 913-362-1307