Product DescriptionThe DRYFIREMAG D-G9-RET is a Glock double-stack dry fire magazine configured for platforms chambered in 9mm, .40, .357, and .45, based on the manufacturer naming provided. Built for dry fire training use, this model offers platform-specific compatibility for shooters seeking a training accessory tailored to Glock double-stack firearms. With the trusted DRYFIREMAG brand behind it, the D-G9-RET is a purpose-built option for firearm practice setups that require caliber and platform-specific fitment.Product Highlights Designed for Glock double-stack platforms as identified in the product title. Compatible with 9mm, .40, .357, and .45 platform designations listed by the manufacturer. Dry fire magazine format from DRYFIREMAG for training-oriented use. Model-specific identification with manufacturer part number D-G9-RET. Compact firearm training accessory suited for Glock-pattern dry fire setups. Specs Brand: DRYFIREMAG Manufacturer Part Number: D-G9-RET UPC: 736846649935 Platform: Glock Double Stack Caliber Compatibility Listed: 9mm / .40 / .357 / .45 Product Title Reference: GLK DBL STK 9MM/40/357/45 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.