Looking for extra firepower? Check out the Ruger Security-9 50-round drum, manufactured by Promag.

Features

• Largest capacity magazine for the Ruger Security-9 pistol, with a 50-round capacity
• Durable and rugged Dupont Zytel-based polymer construction
• Precise, blued steel magazine tower with grip extension for maximum control
• Injection-molded, anti-tilt polymer follower
• Hand-crank loading mechanism
• Made in the USA