Product DescriptionThe Magpul BSL Arm Brace is engineered to stabilize and improve single-handed control of large-format AR pistols. Built with Magpul&';s trusted design and quality, it mounts to Mil-Spec carbine receiver extensions and uses a simplified, durable adjustment mechanism that can be set without tools. An integrated rear quick-detach (QD) sling cup and dual M-LOK compatible slots provide ambidextrous sling mounting options and allow sling tension to enhance stability while firing one-handed. With classic Magpul aesthetics and rugged construction, the BSL is a straightforward upgrade for your AR pistol.Product Highlights Designed for one-handed stabilization of AR pistols Compatible with Mil-Spec carbine receiver extensions Toolless, single-handed length adjustment for rapid setup Ambidextrous rear QD sling cup plus two M-LOK slots for versatile sling mounting Made in the USA with high-strength polymer construction Specs Brand: Magpul Industries Model: BSL Arm Brace Color: Black Compatibility: Mil-Spec carbine receiver extensions (AR pistol platform) Adjustment Mechanism: Toolless, single-handed Sling Mounts: Ambidextrous rear QD cup; dual M-LOK compatible slots Material: High-strength polymer Country of Manufacture: USA UPC: 840815128861 Manufacturer Part Number: MAG1143-BLK 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.