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Document and Entity Information	3 Months Ended
	Mar. 30, 2013	Apr. 26, 2013
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 30, 2013
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	2013
Document Fiscal Period Focus	Q1
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		19,319,500

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