Designed for steady, repeatable performance in varied environments, the Spikes STLS024 PHU Joker Stripped Lower Receiver Multi-Caliber 7075-T6 Aluminum Black Anodized for AR-15 emphasizes functional reliability and straightforward operation. Crafted from 7075 T6 aluminum, this stripped lower receiver supports multi-calibers and features a PHU Joker logo with bullet pictogram selector markings. Ideal for range training and recreational shooting, it serves as a perfect platform to begin your next AR build. Spike's Tactical is renowned for precision crafting and ongoing product development.