M4E1 Superlative Arms Piston Complete Upper Receiver Groups - Piston Upper 14.5in Barrel 12in Handguard Black
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Aero Precision
Overview
The M4E1 Superlative Arms Piston Complete Upper Receiver Group is a fully assembled upper designed for the AR-15 platform, featuring a 14.5-inch barrel that offers a balance of maneuverability and accuracy. Its M4E1 receiver type enhances the overall strength and rigidity of your build, while the sleek black finish provides a tactical appearance. This upper is commonly used in mid-length builds where reliability and consistent performance are key considerations.
Specifications
M4E1 Superlative Arms Piston Complete Upper Receiver Groups - Piston Upper 14.5in Barrel 12in Handguard Black
Price and stock
The Aero Precision M4E1 Superlative Arms Piston Complete Upper Receiver Groups - Piston Upper 14.5in Barrel 12in Handguard Black was out of stock everywhere we track for all of August 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $899 at Brownells for when it comes back.
Prices checked · refreshed daily across 35 retailers
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