Red White & Blue builds this 50-round drum magazine (part no. GD4050) for double-stack .40 S&W Glock pistols, turning a standard-capacity carry or duty gun into a high-round-count range setup. The black polymer housing is sized to run on any double-stack Glock chambered in .40 caliber.

Key Specifications

• Chambered in .40 S&W.
• Holds 50 rounds in a drum configuration.
• Body is black polymer.
• Fits double-stack .40 S&W Glock pistols.
• Manufactured by Red White & Blue.

Frequently Asked Questions

Which Glock models does this fit? Any double-stack Glock pistol chambered in .40 S&W.

Is this drum bulkier than a standard extended magazine? Yes, a 50-round drum is noticeably larger than a flush or extended box magazine; it’s built for range use rather than concealed carry.

Buy the RWB Glock .40 S&W 50-Round Drum Magazine

Order it from our Lubbock, Texas gun shop. Browse our full handgun magazines selection.