Aero Precision Stripped XL .458 SOCOM / 450 Bushmaster / Big Bore Upper
Forged from 7075 T6 aluminum, the .458 SOCOM Stripped Upper Receiver is precision-machined to M16/M4 specification and features M4 feedramps. This unit does not come assembled with a port door or forward assist.
- Port door opening has been enlarged to fit .458 SOCOM and other similar rounds (.450 Bushmaster, .50 Beowulf, etc.)
- Features custom .458 SOCOM markings
- M4 Feedramps
- .250 takedown pin holes
- Lazer engraved T-marks
- .458 SOCOM Stripped Upper Receiver in Anodized Black