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Document and Entity Information	9 Months Ended
	Sep. 29, 2012	Jul. 20, 2012
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 29, 2012
Entity Registrant Name	STURM RUGER & CO INC
Entity Central Index Key	0000095029
Trading Symbol	RGR
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		19,160,072

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