Brigand Arms Fixed Buttstock Matte. Durable polymer lined buffer tube minimizes the rattle and scraping sound when charging the rifle while providing lasting durability. The integrated buffer tube requires either A2 rifle lengthbuffer/springor carbine buffer/spring with aspacer. Specifications for Brigand Arms Fixed Buttstock: Manufacturer: Brigand Arms Stock/Brace Material: Carbon Gun Make: AR Platform Gun Type: Rifle Weight: 4.5 oz Fabric/Material: Carbon Features of Brigand Arms Fixed Buttstocks The single-piece design provides strength and rigidity by eliminating seams and sharp edges. This Buttstock is finished with a Matte Clear Cerakotefor an extra layer of protection. Package Contents: Brigand Arms Fixed Buttstocks Standard Steel Castle Nut Steel End-Plate Adhesive Pad Brigand Arms Buttstock-CB/M: Fixed Buttstock Matte