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RWB
The RWB Glock 40SW 31-round magazine is a high-capacity aftermarket option built for shooters who run full-size .40 caliber Glock pistols and want to extend their round count between reloads. Whether you're training at the range, running duty scenarios, or stocking spares, this steel-lined polymer magazine gives you the extra capacity that factory-standard mags can't match—without sacrificing durability or reliability.
Built with a steel-lined polymer construction, this magazine combines the weight savings and corrosion resistance of modern polymers with the structural integrity that high-round-count magazines demand. The tan polymer body also makes it easy to spot in your gear or range bag, and it resists UV fade and chemical exposure better than bare metal.
RWB magazines are designed to function reliably in Glock pistols chambered in .40 S&W, and the 31-round capacity gives you serious firepower for extended training sessions or sport shooting applications. If you're running a G22, G23, or similar .40 Glock and need magazines that push beyond standard capacity, this is a straightforward upgrade to your loadout.
| Caliber | .40 S&W |
| Capacity | 31 rounds |
| Material | Steel-lined polymer |
| Color | Tan |
| Brand | RWB |
Yes, this RWB magazine is designed for Glock pistols chambered in .40 S&W, including full-size models like the G22 and compact variants like the G23.
A standard Glock .40 magazine holds 15 rounds; the 31-round capacity more than doubles that, making this ideal for range training, competition, or high-volume shooting sessions where you want fewer magazine changes.
The steel-lined construction reinforces the polymer body, preventing wear and deformation from repeated loading and unloading cycles, especially important in high-capacity magazines that experience greater spring tension.
RWB
The RWB Glock 40SW 31-round magazine is a high-capacity aftermarket option built for shooters who run full-size .40 caliber Glock pistols and want to extend their round count between reloads. Whether you're training at the range, running duty scenarios, or stocking spares, this steel-lined polymer magazine gives you the extra capacity that factory-standard mags can't match—without sacrificing durability or reliability.
Built with a steel-lined polymer construction, this magazine combines the weight savings and corrosion resistance of modern polymers with the structural integrity that high-round-count magazines demand. The tan polymer body also makes it easy to spot in your gear or range bag, and it resists UV fade and chemical exposure better than bare metal.
RWB magazines are designed to function reliably in Glock pistols chambered in .40 S&W, and the 31-round capacity gives you serious firepower for extended training sessions or sport shooting applications. If you're running a G22, G23, or similar .40 Glock and need magazines that push beyond standard capacity, this is a straightforward upgrade to your loadout.
| Caliber | .40 S&W |
| Capacity | 31 rounds |
| Material | Steel-lined polymer |
| Color | Tan |
| Brand | RWB |
Yes, this RWB magazine is designed for Glock pistols chambered in .40 S&W, including full-size models like the G22 and compact variants like the G23.
A standard Glock .40 magazine holds 15 rounds; the 31-round capacity more than doubles that, making this ideal for range training, competition, or high-volume shooting sessions where you want fewer magazine changes.
The steel-lined construction reinforces the polymer body, preventing wear and deformation from repeated loading and unloading cycles, especially important in high-capacity magazines that experience greater spring tension.
