The Ruger Mark III/IV Magazine (MPN 90231) holds 10 rounds of .22 LR and is a genuine factory magazine for the Ruger Mark III and Mark IV pistols.

Key Specifications

• Holds 10 rounds of .22 LR.
• Fits the Ruger Mark III and Mark IV pistols.
• Finished in blued steel.
• Uses a detachable box-magazine design.
• Sold as a 1-pack.
• Classified by Ruger as a Magazine.
• Built with high-quality components and precise manufacturing, per the manufacturer.
• A genuine factory-pattern spare or replacement magazine.
• Manufactured by Ruger / Sturm, Ruger & Co..

Frequently Asked Questions

What pistols does this magazine fit? It’s built for the Ruger Mark III and Mark IV chambered in .22 LR.

Is this a genuine Ruger magazine? Yes, it’s a factory Ruger magazine, not an aftermarket clone.

Buy the Ruger Mark III/IV Magazine

Shop it directly from Ruger / Sturm, Ruger & Co., or browse the full Handgun Magazines selection at Schaefer Defense.