Proudly Designed and Made in USA7" Single Rail, Super Slim, Free-floating Handguard with Proprietary Attachment DesignSuper Lightweight with Rail at 12 O'clock Position Forms a Continuous Picatinny Top SectionIncludes 3 Detachable 2-slot Rail Sections for 3, 6, or 9 O'clock Positions to Configure Flexible Accessory AttachmentIntegral Anti-rotation Tabs for Rock-solid Locking to the ReceiverAccommodates Low-profile Gas BlockErgonomic Slim Tubular Profile for Most Positive HandlingPrecision Machined from Aircraft Grade Aluminum AlloyFlat Dark Earth Cerakote Finish for Best Corrosion and Wear ResistanceNOTE: This rail system is designed to fit with standard AR15 gas tubes. The compatibility with any special piston system is not guaranteed. Also, the rail system works with standard AR15 upper receivers. It may not be compatible with any re-designed, oversized upper receiver.