-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Li7/u7yTQGtO6PAizmh1aqeo6hsjh7jg+KXnxr6dYrQxJEXUGOm8pD8wcJY1cbcJ
 yREwa3mXno7CqppBERFrzA==

<SEC-DOCUMENT>0001140361-03-002330.txt : 20030702
<SEC-HEADER>0001140361-03-002330.hdr.sgml : 20030702
<ACCEPTANCE-DATETIME>20030702152042
ACCESSION NUMBER:		0001140361-03-002330
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030701
FILED AS OF DATE:		20030702

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DECKER GILBERT F
		CENTRAL INDEX KEY:			0001168686

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11376
		FILM NUMBER:		03771649

	BUSINESS ADDRESS:	
		STREET 1:		45 GLEN RIDGE
		CITY:			LOS GATOS
		STATE:			CA
		ZIP:			95030
		BUSINESS PHONE:		7032460200

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALLIED DEFENSE GROUP INC
		CENTRAL INDEX KEY:			0000003952
		STANDARD INDUSTRIAL CLASSIFICATION:	ORDNANCE & ACCESSORIES, (NO VEHICLES/GUIDED MISSILES) [3480]
		IRS NUMBER:				042281015
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		8000 TOWERS CRESCENT DR
		STREET 2:		SUITE 260
		CITY:			VIENNA
		STATE:			VA
		ZIP:			22182
		BUSINESS PHONE:		7038475268

	MAIL ADDRESS:	
		STREET 1:		8000 TOWERS CRESCENT DRIVE
		STREET 2:		STE 750
		CITY:			VIENNA
		STATE:			VA
		ZIP:			22182

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLIED RESEARCH CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLIED RESEARCH ASSOCIATES INC
		DATE OF NAME CHANGE:	19880601
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType>
<periodOfReport>2003-07-01</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000003952</issuerCik>
        <issuerName>ALLIED DEFENSE GROUP INC</issuerName>
        <issuerTradingSymbol>ADG</issuerTradingSymbol>
</issuer>
<reportingOwner>
<reportingOwnerId>
            <rptOwnerCik>0001168686</rptOwnerCik>
            <rptOwnerName>DECKER GILBERT F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector>
<isOfficer>0</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle></officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeSecurity>
<securityTitle>
<value>Common Stock</value>
</securityTitle>
<transactionDate>
<value>2003-07-01</value>
</transactionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>A</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionTimeliness>
<value></value>
</transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value>1000</value>
</transactionShares>
<transactionValue>
<value>18.50</value>
</transactionValue>
<transactionAcquiredDisposedCode>
<value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>2000</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeSecurity>
<derivativeSecurity>
<securityTitle>
<value>Director Stock Option (Option to Buy)</value>
</securityTitle>
<conversionOrExercisePrice>
<value>18.50</value>
</conversionOrExercisePrice>
<transactionDate>
<value>2003-07-01</value>
</transactionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>M</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionTimeliness>
<value></value>
</transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value>6500</value>
</transactionShares>
<transactionValue>
<value>0</value>
</transactionValue>
<transactionAcquiredDisposedCode>
<value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<exerciseDate>
<value>2003-07-01</value>
</exerciseDate>
<expirationDate>
<value>2008-06-30</value>
</expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares>
<value>6500</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>13000</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</derivativeSecurity>
<ownerSignature>
<signatureName>Gilbert F. Decker</signatureName>
<signatureDate>2003-07-02</signatureDate>
</ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----