Welcome to our store! This folding stock adapter is compatible with various AR-15 and AR-10 rifles, offering strong versatility. No additional bolt fastening components are required for installation, making it easy to use right away. Made of high-quality materials, it's resistant to corrosion and rust, ensuring long-lasting outdoor use. The adapter is CNC-machined from durable aluminum alloy and has a protective DLC coating, extending its lifespan. The package includes accessories such as a hex wrench, spring, screw, and more, making installation and removal a breeze. Specification: - Item Type: Folding Stock Adapter - Material: Aluminum Alloy - Color: Black - Compatible Type: AR-10/.308, AR-15/.223 - Purpose: Adapter Package List: - 1 x Folding Stock Adapter - 3 x Hex Wrench - 1 x Spring - 1 x Screw - 1 x Plug - 1 x Nail Please note that minor errors may occur due to manual measurement and monitor differences. 100% Satisfaction: Our customers are our top priority. If you encounter any problems with the product, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with satisfactory after-sales service. Thank you for considering our product. We hope this information is helpful to you. Have a great day!