Glock Gen 4 13rd .40 S&W Double Stack Magazine - Used

Add extra capacity with this Glock Gen 4 13-round .40 S&W double-stack magazine. Built for reliable feeding and smooth operation, it’s a practical upgrade for range days, training, and everyday readiness. This used magazine is a solid option when you need a spare without sacrificing quality. Compatible with compatible Glock Gen4 .40 S&W double-stack platforms—see fitment details for your exact model.

• 13-round .40 S&W capacity (double-stack)
• Glock Gen4 magazine design
• Used condition—ideal as a spare or replacement
• Built for dependable feeding and reliable function