The Shield Arms Magazine Extension +5/4 in red is specifically designed to enhance the capacity of your full-size Glock models like the Glock 17 or Glock 22. This high-performance extension adds five additional rounds to your standard Glock 17 magazine or four extra rounds to your .40 S&W-compatible Glock 22 magazine. Built from billet aluminum with a durable Type 2 anodized red finish, it combines strength with style while resisting wear over time. The unique easy-access floor plate design allows you to clean or service the magazine quickly without removing the extension body, ensuring optimal performance at all times. Whether you're on duty or at the range, this accessory delivers reliable functionality paired with bold aesthetics.

Features and Specifications:

• Adds five rounds to Glock model 17 (9mm) magazines

• Adds four rounds to .40 S&W-compatible Glock model 22 magazines

• Precision-machined billet aluminum construction

• Type 2 anodized red finish resists wear and corrosion

• Easy-access floor plate design simplifies cleaning

• Includes a +10% power spring for consistent feeding

• Compatible with OEM mags and most flared mag wells

• Made in the USA