Aero Precision M4E1 Stripped Lower Receiver Multi-Caliber Black

Crafted from high-strength 7075-T6 aluminum, the Aero Precision M4E1 Stripped Lower Receiver offers a sleek billet aesthetic in a robust forged design. Compatible with all milspec AR-15 components, this lower receiver features a unique integrated trigger guard and an increased magwell flare for faster, more efficient magazine changes. The black hardcoat anodized finish ensures durability and resistance against wear. Enhanced with a nylon-tipped tensioning set screw and a threaded bolt catch pin, this receiver provides a precise fit. Ideal for multi-caliber builds on the AR platform, it’s an essential component for customizing your firearm. Ready to pair with your choice of lower parts kit, buffer, and stock for a complete setup.