Product DescriptionThe Safariland Model 578 GLS Pro-Fit Holster Paddle & Belt Loop Combo combines secure retention, everyday durability, and comfortable carry for the FN 503. The GLS (Grip Lock System) automatically secures your firearm when holstered and releases with a natural middle-finger motion as you establish a standard shooting grip. Built from SafariSeven, a proprietary, lightweight nylon blend that is non-abrasive to your gun&';s finish and tolerant of extreme temperatures, this left-hand, black holster includes both an injection-molded paddle that rides close to the body and an adjustable belt loop for personalized cant and cross-draw versatility. The Pro-Fit design allows fine-tuning for a confident, custom feel, and this configuration is optic-capable for use with or without a red-dot optic on the FN 503.Product Highlights GLS retention with intuitive middle-finger release for fast, natural draws Optic-capable fit for FN 503-works with or without a mounted red-dot optic SafariSeven advanced nylon blend is non-abrasive, easy to maintain, and temperature resistant Low-cut, compact profile enhances concealment and enables quick access Includes injection-molded paddle and adjustable belt loop; rides close and supports cross draw Specs Brand: Safariland Model: 578 GLS Pro-Fit Holster, Paddle & Belt Loop Combo Orientation: Left-hand Color: Black Compatibility: FN 503 (optic-ready; with or without optic) Retention: GLS (Grip Lock System) with middle-finger activation Material: SafariSeven proprietary nylon blend; non-abrasive and tolerant of high/low temperatures Carry Options: Injection-molded paddle and adjustable belt loop; cant adjustable; cross-draw capable Profile: Low-cut, compact design for concealment and quick draw UPC: 781607359790 Manufacturer Part Number: SAF1181363 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.