Luth-AR A1 Slip Ring Gray. Made from high-quality materials this ring ensures a secure and stable fit for your handguard preventing any wobbling or misalignment. With its easy-to-install design the AR delta ring is a crucial component that ensures your rifle operates flawlessly giving you confidence in the field or on the range. Specifications for Luth-AR A1 Slip Ring: Manufacturer: Luth-AR Color: Gray Package Contents: Luth-AR A1 Slip Ring Luth-AR BL-09A-G: A1 Slip Ring Gray