Brand: AIM Sports Includes: Top & Bottom rail sections, 4 Allen screws, Allen wrench Materials: 6061 Aircraft Grade Aluminum Compatibility: AR-15 Rifles with delta ring and front end cap installed Weight: 12 oz Color: Black Warranty: Lifetime The Ruger 10/22 quad rail handguard is only compatible with original factory (wooden) stock. The quad rail design offers plenty of Picatinny rail space to mount accessories. The T-marked rails allow accessories to be removed and replaced with ease.