The KAK KF-15 Lower Receiver is the essential foundation for any AR-15 or AR-10 build, offering versatility for customization. Crafted from high-quality USA-produced 7075-T6 forgings, this lower receiver features a Type 3 Class II hard coat anodized finish in deep matte black, providing durability and resistance to wear. The M4 style fire control group pocket ensures compatibility with a variety of components, while the pictogram selector markings on both sides enhance usability. Designed to accept all mil-spec sized lower receiver components, this lower receiver is threaded for upper receiver tensioning screws and accommodates a mil-spec buffer tube and buffer. Start your next build with the reliable KAK KF-15 Lower Receiver and experience the freedom of customization for your shooting style and ergonomic preferences.