Ergonomic,Non-Slip Textured, Ventilated Upper and Lower Handguards, One 4" Picatinny Rail, Two 2" Picatinny Rails, One 2" Picatinny Rails with Swivel Stud, Blank Inserts for When Rails are Not In Use, Rails are Removable and Interchangeable, Count Towards US Compliance Parts, DuPont Extreme Temperature Glass Reinforced Polymer, Manufactured in the USA, Limited Lifetime Warranty, Fits Most AK stamped receivers, SEC 922R: Stocks, Handguards and pistol grips are Manufactured in the USA and count towards compliance parts. Contact your local gun shops or shooting ranges for this and other compliance issues.