Aero Precision, M4E1, Assembled Upper Receiver, Anodized Finish, Olive Drab Green, Fits AR15
Enhanced forging that gives the upper receiver a billet look
Picatinny profile that blends seamlessly with their Enhanced and ATLAS Series Handguards
M4 Feedramps
.250 takedown pin holes
Laser engraved T-marks
Includes threaded forward assist roll pin
Includes port door and forward assist
Enhanced forging that gives the upper receiver a billet look
Picatinny profile that blends seamlessly with their Enhanced and ATLAS Series Handguards
M4 Feedramps
.250 takedown pin holes
Laser engraved T-marks
Includes threaded forward assist roll pin
Includes port door and forward assist
Enhanced forging that gives the upper receiver a billet look
Picatinny profile that blends seamlessly with their Enhanced and ATLAS Series Handguards
M4 Feedramps
.250 takedown pin holes
Laser engraved T-marks
Includes threaded forward assist roll pin
Includes port door and forward assist