Product DescriptionThe Spikes Calico Jack stripped lower receiver is built for AR-15 platforms and made to high standards from forged 7075-T6 aluminum. Designed for multi-caliber use, this stripped lower features a durable black hard coat anodized finish, a low shelf design, and RDIAS compatibility. The distinctive Calico Jack logo gives it a bold custom look while maintaining the strength and fit expected for a quality AR-15 build. Please note that this stripped lower requires a lower parts kit, buffer, and stock to complete your firearm build.Product Highlights Forged 7075-T6 aluminum construction for strength, durability, and dependable AR-15 performance Multi-caliber stripped lower receiver designed for AR-15 platform compatibility Black hard coat anodized finish helps resist wear and corrosion during use Low shelf design with RDIAS compatibility for builders seeking specific lower receiver features Features the Calico Jack logo for a distinctive custom appearance Specs Product Type: Stripped Lower Receiver Platform Compatibility: AR-15 Caliber: Multi-Caliber Material: Forged 7075-T6 Aluminum Finish: Black Hard Coat Anodized Design: Low Shelf Compatibility: RDIAS Compatible Model: Calico Jack Trigger: None Brand: Spikes MPN: STLS016 UPC: 855319005020 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.