<SEC-DOCUMENT>0001127602-12-008772.txt : 20120229
<SEC-HEADER>0001127602-12-008772.hdr.sgml : 20120229
<ACCEPTANCE-DATETIME>20120229191519
ACCESSION NUMBER:		0001127602-12-008772
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20120228
FILED AS OF DATE:		20120229
DATE AS OF CHANGE:		20120229

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GASPER LESLIE MARTIN
		CENTRAL INDEX KEY:			0001242560

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10435
		FILM NUMBER:		12655119

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/A
<SEQUENCE>1
<FILENAME>form4a.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0304</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2012-02-28</periodOfReport>

    <dateOfOriginalSubmission>2012-02-29</dateOfOriginalSubmission>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001242560</rptOwnerCik>
            <rptOwnerName>GASPER LESLIE MARTIN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O STURM, RUGER AND COMPANY, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>ONE LACEY PLACE</rptOwnerStreet2>
            <rptOwnerCity>SOUTHPORT</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06890</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Corporate Secretary</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Common Stock (Right to Buy)</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2012-02-28</value>
                <footnoteId id="F3"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1437</value>
                    <footnoteId id="F4"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2014-03-01</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2021-11-08</value>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1437</value>
                    <footnoteId id="F4"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2808</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Restricted Stock Units subject to performance-based, time-based and other conditions of the award.</footnote>
        <footnote id="F2">Securities convert to Common Stock on a one-to-one basis on the date vested in accordance with the terms of the award.</footnote>
        <footnote id="F3">On February 28, 2012, four business days following the release of the Company's 2011 earnings, the performance-based vesting conditions for RSUs awarded in four quarterly tranches in 2011 were determined to have been met.  The awards remain subject to a three-year time-based cliff vesting trigger which will be satisfied on March 1, 2014.  The quarterly awards expire not later than ten years from their date of grant.</footnote>
        <footnote id="F4">To reflect the correct number of RSUs shown in the reported transaction as 1,437 rather than 1,537, and the correct number of total derivatives beneficially owned as 2,808 rather than 2,908, (a difference of 100 RSUs) in the Form 4 filed on 2/29/12</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Leslie M. Gasper</signatureName>
        <signatureDate>2012-02-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
