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Aero Precision
Overview
The Aero Precision M4E1 PRO Ambidextrous Stripped Lower Receiver is a forged lower designed for the AR-15 platform, providing a robust foundation for your build. Its ambidextrous controls cater to left- and right-handed shooters, while its multi-caliber capability allows for versatile cartridge options. This lower is built from 7075-T6 aluminum, ensuring strength and durability, making it suitable for a wide range of custom builds including tactical and competitive setups.
Aero Precision M4E1 PRO Ambidextrous Stripped Lower Receiver
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Aero Precision M4E1 PRO Ambidextrous Stripped Lower Receiver ranked #251 of the 588 lower receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #380 of the 1,211 lower receivers builders have added.
It was hard to find in October 2026, in stock on only 3 of the 12 days we checked, and today none of the 2 retailers we track has it in stock right now. Prices barely moved in October 2026, holding around $289.99, with no real sale all month. Listed prices start at $289.99 at AR15 Discounts for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every lower receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Lower Receiver Trends →Check it against the live catalog:
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