Guntec USA Ultra Lightweight Thin M-Lok Free Floating Handguard w/Monolithic Top Rail .308 Cal 12in Black. The goal is to distribute excellent quality at an economical value. Specifications for Guntec USA .308 Caliber Ultra Lightweight Thin M-LOK System Free Floating Handguard w/Monolithic Top Rail: Manufacturer: Guntec USA Fabric/Material: T6 Aluminum Gun Make: AR Platform Gun Type: Rifle Handguard Type: Free-Float Condition: New Mount Type: M-LOK Quantity: 1 Features of Guntec USA .308 Caliber Ultra Lightweight Thin M-LOK System Free Floating Handguard w/Monolithic Top Rail Total Weight Including Barrel Nut Is 14.3 oz M-LOK System Rail Slides Over Barrel Nut And Is Locked Up Against Receiver With 6 Screws Tight Fit Up Against Receiver Which Allows For A Monolithic Top Rail Ultra Lightweight Package Contents: Guntec USA .308 Caliber Ultra Lightweight Thin M-LOK System Free Floating Handguard w/Monolithic Top Rail Proprietary Barrel Nut GUNTEC USA GT-12MLK-308: 12in Ultra Lightweight Thin M-Lok System Free Floating Handguard w/Monolithic Top Rail.308 CalBlack