The Battle Arms Lightweight Upper Receiver is machined from 7075-T6 aircraft grade aluminum, utilizing a patent pending lightweight design.  Upper weighs in at 6.31 oz, and accepts standard AR-15 components.  Upper features M4 feedramps for improved feeding.  Machined T-Marks allow for repeat placement of optics or rail mounted accessories.  High quality MIL-A-8625F Type III Class 2 hard coat anodized provides a matte black finish, and the laser engraved logo is expertly done.  All components are Made in the USA.