Aero Precision AR 15 Stripped Upper Receiver with port door opening enlarged to fit .458 SOCOM and other similar rounds (.450 Bushmaster, .50 Beowulf, etc.). Forged from 7075-T6 aluminum, this stripped upper is precision machined to mil-spec M16/M4 specifications. Match this upper with one of our AR15 lower receivers for a solid and dependable fit.
Features:
Port door opening has been enlarged to fit .458 SOCOM and other similar rounds (.450 Bushmaster, .50 Beowulf, etc.)
Works with AR15 lower receivers
.250 takedown pin holes
Laser engraved T-marks
"XL" portion of Aero Logo on Tang
Compatible with AR15 port door and forward assist
