Aero Precision M4E1 Complete AR Platform Lower Receiver Assembly with Fixed A2-Style Stock
This Aero Precision M4E1 complete lower receiver assembly is an AR-pattern foundation marked "CAL MULTI" and built on the M4E1 lower receiver profile.
Configured with a fixed A2-style stock and textured pistol grip with beavertail (aftermarket-style; exact model not specified), this complete lower includes the installed controls and hardware for a ready-to-pin lower receiver setup.