Exhibit 16.1 BP Audit Group, PLLC 17 Conklin Street, Suite 4 Farmingdale, NY 11735 (516) 420-0188 Telephone (516) 249-2761 Fax October 18, 2005 Securities & Exchange Commission 100 F Street, N.E. Washington, DC 20549 Re: Defense Technology Systems, Inc. Dear Sirs: We have read the statements made by Defense Technology Systems, Inc., included in Item 4.01 of Form 8-K dated October 17, 2005 regarding the recent change of auditors. We agree with the statements made concerning our firm. We have no basis to agree or disagree with other statements of the registrant contained therein. Very truly yours, /s/ BP Audit Group, PLLC BP Audit Group, PLLC