Warne | Magazine Extension for Glock 17/22 | +5 9mm

This Warne magazine extension is a machined magazine base intended to increase the carrying capacity of compatible Glock magazines. Constructed from 6061-T6 aluminum with a hardcoat anodized black finish, the extension provides an ergonomic profile and finger grooves for improved purchase during reloads. The product listing specifies that it adds five rounds to 9mm magazines and four rounds to .40 S&W magazines, making it useful for extended range sessions and competition shooting.

Product Specifications

• The brand is Warne.
• Compatible with Glock magazines (17/22 referenced in product materials).
• The material is 6061-T6 aluminum.
• The finish is hardcoat anodized black.
• This extension adds 5 rounds to 9mm magazines and 4 rounds to .40 S&W magazines.
• The product color is Black.
• The model designation is listed as Magazine Extension.
• An additional feature is 6061 T6 Aluminum Billet.
• Another listed feature is Type 2 anodized finish.
• The listed weight is 0.13.
• The listed length value is 13.
• The listed height value is 0.5.
• The listed width value is 3.
• The UPC is 656813107636.

This magazine extension is aimed at shooters who value straightforward, durable upgrades to their magazine ergonomics and capacity. Its billet aluminum construction and hardcoat finish emphasize wear resistance for repeated use at the range or in competition. The ergonomic shaping and finger grooves support faster reloads and improved handling when manipulating magazine inserts. Overall, it is a simple, mechanically passive accessory that increases usable rounds and refines magazine purchase without changing function of the magazine body.