Dirty Bird MCF Enhanced Complete AR-15 Lower Receiver Black

We built the Dirty Bird MCF Complete Lower to be the best AR-15 complete lower for the money. Why trust Dirty Bird Quality components sourced from tier 1 manufacturers. Assembled by competent professionals who take pride in their work. Quality Materials, Durable Finish 7075-T6 Forgings Precision machined on state of the art CNC equipment with quality and tolerance checks throughout the machining process Matte black Mil 8625 Type 3 Class 2 hard-coat anodizing Maximum Compatibility "Multi-Cal" markings for compatibility with many different caliber uppers Machined to Mil-Spec dimensions Compatible with all standard AR-15 components and magazines Premium Parts Kit Installed Mil-spec Lower Parts Kit w/ machined components (not MIM) Dirty Bird Ambidextrous Safety Selector Enhanced Fire Control Group (FCG) w/ flat trigger & honed sear engagement surfaces for a smooth pull and clean break Enhanced polymer trigger guard Dirty Bird True Mil-Spec Carbine Buffer Kit 7075-T6 receiver extension (featuring an impossibly smooth ID that minimizes the spring noise) H2 carbine recoil buffer w/ steel counter weights Sprinco "Blue" buffer spring Mil-spec castle nut & end plate B5 Systems P-23 pistol grip B5 Systems BRAVO mil-spec stock American Made Dirty Bird Industries' Limited Lifetime Warranty