-----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,
 FyZ12Nf6R0YbwP7MZE7WCIsnuCvwLOaD7bQ+TKSKZDOtJyIIYCnji2KRp0PbfRBb
 76E07RP/7fc9NLvJ+5sVVA==

<SEC-DOCUMENT>0001417343-08-000018.txt : 20080509
<SEC-HEADER>0001417343-08-000018.hdr.sgml : 20080509
<ACCEPTANCE-DATETIME>20080509162601
ACCESSION NUMBER:		0001417343-08-000018
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080508
FILED AS OF DATE:		20080509
DATE AS OF CHANGE:		20080509

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Maynard Steven M
		CENTRAL INDEX KEY:			0001417592

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10435
		FILM NUMBER:		08818775

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		2032597843

	MAIL ADDRESS:	
		STREET 1:		C/O STURM RUGER & COMPANY INC
		STREET 2:		ONE LACEY PLACE
		CITY:			SOUTHPORT
		STATE:			CT
		ZIP:			06890

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			STURM RUGER & CO INC
		CENTRAL INDEX KEY:			0000095029
		STANDARD INDUSTRIAL CLASSIFICATION:	ORDNANCE & ACCESSORIES, (NO VEHICLES/GUIDED MISSILES) [3480]
		IRS NUMBER:				060633559
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1 LACEY PLACE
		CITY:			SOUTHPORT
		STATE:			CT
		ZIP:			06490
		BUSINESS PHONE:		2032597843

	MAIL ADDRESS:	
		STREET 2:		1 LACEY PLACE
		CITY:			SOUTHPORT
		STATE:			CT
		ZIP:			06490
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-05-08</periodOfReport>

    <issuer>
        <issuerCik>0000095029</issuerCik>
        <issuerName>STURM RUGER &amp; CO INC</issuerName>
        <issuerTradingSymbol>RGR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001417592</rptOwnerCik>
            <rptOwnerName>Maynard Steven M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O STURM RUGER &amp; CO INC.,</rptOwnerStreet1>
            <rptOwnerStreet2>1 LACEY PLACE</rptOwnerStreet2>
            <rptOwnerCity>SOUTHPORT</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06890</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP of Lean Business Dev.</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-05-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>7.12</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>55000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Common Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>13.39</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2017-04-24</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>50000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>50000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">1. The options are exercisable in five annual installments of 10,000 shares each. The first became exercisable on April 24, 2008, and the remaining four become exercisable on April 24, 2009, April 24, 2010, April 24, 2011 and April 24, 2012.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Leslie Gasper as attorney-in-fact</signatureName>
        <signatureDate>2008-05-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
