v3.26.1
Cover - shares
 6 Months Ended
Jun. 27, 2026
Jul. 15, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Jun. 27, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Entity Registrant Name STURM, RUGER & COMPANY, INC.  
Entity Central Index Key 0000095029  
Entity File Number 1-10435  
Entity Tax Identification Number 06-0633559  
Entity Incorporation, State or Country Code DE  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Shell Company false  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Address, Address Line One 700 S Ayersville Road  
Entity Address, City or Town Mayodan  
Entity Address, State or Province NC  
Entity Address, Postal Zip Code 27027  
City Area Code (203)  
Local Phone Number 259-7843  
Entity Common Stock, Shares Outstanding   15,978,256
Common Stock, $1 par value    
Document Information [Line Items]    
Title of 12(b) Security Common Stock, $1 par value  
Trading Symbol RGR  
Security Exchange Name NYSE  
Common Stock Purchase Rights    
Document Information [Line Items]    
Title of 12(b) Security Common Stock Purchase Rights  
Security Exchange Name NYSE  
No Trading Symbol Flag true