Sharps Bros Heatseeker Matte Black Cerakote Fits 450 Bushmaster Chassis. This 1lb 3 ounce chassis is machined from billet high-strength 6061-T6 aluminum and includes a 10 ounce 14" handguard cut from a unique extrusion shape exclusive to Sharps Bros. Both the chassis body and the handguard are finished in a matte black Cerakote. The handguard features MLOK slots on 4 sides for various attachment options (light bipod night vision ARCA rail...) and two quick disconnect fittings per side for sling attachment. Package Contents: Sharps Bros Heatseeker Matte Black Cerakote Fits 450 Bushmaster Chassis