Description

The Aero Precision M4E1 PRO Stripped Lower Receiver in OD Green delivers enhanced strength, improved ergonomics, and Aero’s signature PRO forging profile for superior durability. Featuring an integrated trigger guard, flared magwell, and threaded bolt catch pin, this receiver offers streamlined assembly and exceptional performance for any premium 5.56/.223 AR build.

FEATURES

Caliber Compatibility: 5.56 NATO / .223 Remington
Platform: AR-15 / M4
Material: 7075-T6 forged aluminum (M4E1 PRO enhanced forging)
Finish: MIL-SPEC Type III Class 2 hardcoat anodized – OD Green
Integrated trigger guard for added strength and rigidity
Enhanced flared magwell for faster reloads
Threaded bolt catch pin for easier assembly
Improved rear takedown detent spring channel
Selector Markings: Safe / Fire
Compatible with all MIL-SPEC AR-15 upper receivers
Made in the USA

COMPATIBILITY & FITMENT

Designed to accept standard MIL-SPEC AR-15 components including LPKs, buffer assemblies, stocks, grips, barrels, and bolt carrier groups. For pistol or SBR builds, ensure compliance with NFA regulations and consult a qualified gunsmith where needed.

IMPORTANT NOTES

FFL Required: Ships only to a valid Federal Firearms License holder.
All communication for your order will be sent through sales@rra2a.com.
Customer is responsible for understanding and following federal, state, and local firearm laws.

Aero Precision M4E1 PRO Stripped Lower Receiver OD Green