Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We have issued our report dated September 28, 2006, accompanying the consolidated financial statements and schedules incorporated in the annual Report of Allied Defense Group onForm 10-K for the year ended December 31, 2004 and for each of two years in the period ended December 31, 2004. We hereby consent to the incorporation by reference of said report in the Registration Statements of Allied Defense Group onForms S-3 (FileNo. 33-101724, effective February 7, 2003) andS-8 (FileNo. 2-96771, effective April 22, 1985, FileNo. 33-25677 effective December 14, 1988, FileNo. 33-41422 effective June 27, 1992, FileNo. 33-45303 effective January 24, 1993, FileNo. 33-57170 effective January 19, 1994, and FileNo. 33-57172 effective January 19, 1994 and FromS-8 filed March 20, 1998 and June 27, 2001).
/s/ Grant Thornton, LLP
Baltimore, Maryland
November 6, 2006
E-5