April 1, 2007: IMR 4007 SSC Press Release and Cartridge List is available.

January 23, 2006: 16 Ga. Cowboy Action Data is available.

December 2005: Las Vegas, NV, IMR Powder Company was presented the Wooly New Product of the Year Award for TRAIL BOSS® at the Single Action Shooting Society’s (SASS) convention on December 3rd. SASS recognized “Best of The Year” Affiliated Club, Annual Match, Territorial Governor, Merchant, Media and New Product. One bronze Wooly Award in the image of the SASS Marshall was presented to each winner. Winners were nominated by the membership and selected by the Wooly Award Committee.

December 20, 2005: 325 Winchester Short Magnum Data Winchester Short Magnum Data is available.

March 2005: Starting in 2005, IMR powders will be packaged in the moisture resistant, more economical plastic bottles. These containers seal better and the larger opening makes it easier to dispense powder. All your favorite powders will be available in 1 pound bottles with the exceptions of the “new” Trail Boss which will be 9 ounces. PB and 700X will be 14 ounces per bottle. The pistol and shot shell powders, i.e. 800X, 700X, PB, SR 7625, SR 4756, and SR 4759 will also be available in 4 pound and 8 pound caddies. The rifle powders 4350, 4831, 4895, 4064, 3031, 4198, 4227, 4320, 7828 and the “new” 7828 SSC will be in 1 bottles and 8 pound caddies. We believe you will be pleased with these new more efficient containers. Individual pictures may be seen in the powder profiles. Thank you for choosing the IMR brand.

February 23, 2005: Trail Boss data is available.

January 2005: IMR announces two new products, Trail Boss and IMR 7828 SSC.

September 30, 2004: 25 Winchester Super Short Magnum data is available.

February 1, 2004: 6.8mm Remington SPC data is available.

January 2004: The free IMR Handloader's Guide has been revised into a new format with the latest data. The next revision date is scheduled for January 2006. The data is also immediately available here, and is continually updated. If you need a printed copy, click here.

October 2003: Hodgdon Powder Company announces the asset purchase of IMR Powder Company Inc. IMR has been the mainstay of numerous handloaders for many years. The IMR brand product names remain and are now supplied by Hodgdon. Find out more.