Sons of Liberty Gun Works Stripped Receiver Set is a top-tier AR-15 component, including a stripped AR-15 lower and a stripped AR-15 upper. This setup is convenient for all those looking to upgrade their old AR-15 build with a premium base produced in a modern manufacturing process from high-grade materials. The upper part of the receiver features a Picatinny rail for mounting riflescopes or other accessories. The finish is Type III Hard Coat anodized to ensure longevity, wear-proofing, and corrosion resistance. The SOLGW Receiver Set is made to Mil-spec standards and fits all the AR-15 internals and externals, such as Mil-spec triggers, pins, buffers, stocks, barrels, handguards, trigger guards, and grips.