Guntec USA AR-15 Honeycomb Series Complete Furniture Set Gen 2 Anodized Black. Their goal is to distribute excellent quality at an economical value. Specifications for Guntec USA AR-15 Honeycomb Series Complete Furniture Set: Manufacturer: Guntec USA Fabric/Material: T6 Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Handguard Type: Free-Float Gun Rail: M-LOK Gas System Length: Rifle Length Inner Diameter: 1.34 in Outer Diameter: 2 in Mount Type: M-LOK Features of Guntec USA Gen 2 AR-15 Honeycomb Series Complete Furniture Set Proprietary Barrel Nut Included Slides Over Barrel Nut And Is Locked Up Against Receiver With 6 Screws Honeycomb Series Monolithic Top Rail Complete With Anodized Rose Buffer Tube End Plate Castle Nut 3 Oz Car Buffer & Chrome Recoil Spring Airlite Series Skeletonized Honeycomb Cut Out Design Package Contents: Guntec USA Gen 2 AR-15 Honeycomb Series Complete Furniture Set Proprietary Barrel Nut Guntec USA HC-SET-G2: AR-15 Honeycomb Series Complete Furniture Set Gen 2 Anodized Black