This complete upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Enhanced Upper Receivers, without provisions for a forward assist. The M4E1 Enhanced Upper Receiver is a one-piece design combining the handguard mounting platform with the upper receiver itself. Th..
This complete upper receiver features the same tried-and-true const...
Aero Precision M4E1 Assembled AR 15 Upper Receiver 5.56x45mm Mid-Length 16" Mid Length Barrel EM-15 Gen 2 M-LOK Handguard Anodized Black
APAR640251M7
Aero Precision assembled anodized black upper receiver from 7075-T6 forged aluminum. Includes a mid-length gas system, an EM-15 handguard with con..
Aero Precision M4E1 Assembled AR 15 Upper Receiver 5.56x45mm Mid-Le...
Aero Precision M4E1 Barreled Upper, 16" 5.56 Mid-Length Barrel, 15" M-LOK ATLAS S-ONE
This assembled upper includes the ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Aero's proprietary ATLAS..
AR15 M4E1 Enhanced Upper Receiver - Anodized Black
APAR600201AC
State of the art M4E1 platform starts here, with the M4E1 Upper Receiver. The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. Through superior engineering, we have condensed..
AR15 M4E1 Enhanced Upper Receiver - Anodized Black
APAR600201AC
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M4E1 Threaded Complete Upper, 16" .223 Wylde SS Mid-Length Barrel, 15" M-LOK ATLAS S-ONE Handguard - Anodized Black
APAR700305M9
This complete upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to you..
M5 (.308) Complete Lower Receiver, Standard - Anodized Black
Features:
Works with standard AR 308 components and magazines
Rear takedown pin detent hole is threaded for a 4-40 set screw
Bolt catch is threaded for a screw pin (no roll pin needed)
Integrated trigger guard
Selector mar..
M5 (.308) Complete Lower Receiver, Standard - Anodized Black
Fea...