Franklin Armory Stripped Pistol Lower Features The Franklin Armory Pistol Lower is forged from 7075-T6 aluminum a grade known for its high strength-to-weight ratio and widespread use in quality AR-platform receivers. Forging produces a denser stronger receiver than casting giving this lower the durability needed to handle the stresses of repeated firing cycles over the life of a build. A hard coat Type III anodized finish is applied in black providing superior resistance to wear scratching and corrosion compared to standard anodizing processes. Because this is a stripped lower builders have complete control over which trigger grip and other internal components go into their finished pistol. This lower is designed to accept most aftermarket AR-15 mil-spec parts giving builders broad compatibility when sourcing components from different manufacturers. A specialized tension screw is included with the lower helping to reduce play between the upper and lower receiver once the build is assembled resulting in a tighter more consistent fit. This attention to fit detail is a feature not found on many basic stripped lowers making this a step up for builders who care about rattle-free assembly. For anyone starting a custom AR-style pistol build from the ground up the Franklin Armory Pistol Lower provides a strong precisely finished foundation. Franklin Armory Stripped Pistol Lower Specifications Manufacturer: Franklin Armory Material: Forged 7075-T6 Aluminum Finish: Hard Coat Type III Anodized Color: Black Compatibility: Accepts Most Aftermarket AR-15 Mil-Spec Parts Included Hardware: Specialized Tension Screw Available At: GrabAGun