The RWB Mag Glock 40SW 31rd Steel Lined Blk Polymer is a high-capacity magazine designed to enhance your shooting experience with its impressive 31-round capacity, making it an ideal choice for both professional and recreational use. Crafted by RWB Magazines, this extended magazine is specifically engineered for compatibility with Glock models 22, 23, 27, and 35, ensuring a seamless fit and reliable performance. The magazine is constructed with a durable steel-lined polymer, providing a robust and resilient structure that withstands rigorous use while maintaining a lightweight profile. Its blued finish not only adds a sleek aesthetic but also offers additional protection against wear and corrosion, ensuring longevity and consistent performance. The RWB Mag is designed for the 40SW caliber, making it a versatile option for those seeking a reliable and efficient high-capacity magazine. Whether you're at the range or in a competitive shooting environment, this magazine delivers the reliability and performance you need. With its extended capacity, the RWB Mag allows for fewer reloads, giving you more time to focus on your target. The UPC for this product is 8809705570076, ensuring you have the correct item for your Glock firearm. Experience the perfect blend of capacity, durability, and performance with the RWB Mag Glock 40SW 31rd Steel Lined Blk Polymer, a must-have accessory for any Glock enthusiast looking to maximize their shooting potential.