Spikes STLS024 PHU Joker Stripped Lower Receiver Multi-Caliber 7075-T6 Aluminum Black Anodized for AR-15

The Spikes STLS024 PHU Joker Stripped Lower Receiver Multi-Caliber 7075-T6 Aluminum Black Anodized for AR-15 is a precision-machined firearm component designed for shooters and gunsmiths who prioritize reliability and versatility in their builds. As a stripped lower receiver, it serves as the registered firearm foundation, hosting critical components such as the trigger group and fire control assembly.

Constructed from 7075-T6 aluminum, an aerospace-grade alloy known for its exceptional strength-to-weight ratio, this lower receiver weighs 0.5 lbs while maintaining the necessary rigidity for consistent performance. The black hard-anodized finish enhances corrosion resistance, making it suitable for various environmental conditions.

Ideal for armorers and individual builders, the multi-caliber designation allows compatibility with upper assemblies chambered in 5.56 NATO, .223 Remington, and 6.8 SPC, streamlining the building process for different caliber configurations.