Description
Billet .458 SOCOM Upper Receiver
Machined from Billet 6061 aluminum, the .458 SOCOM Stripped Upper Receiver is precision-machined to M16/M4 specification and features M4 feedramps.
These upper receivers have been known to work with CMMG Radial Delayed Blowback 9mm custom builds.
Features:
- Port door opening has been enlarged to fit .458 SOCOM and other similar rounds (.450 Bushmaster, .50 Beowulf, etc.)
- M4 Feedramps
- .250 takedown pin holes
- Deep engraved T-marks
Includes:
- .458 SOCOM Stripped Upper Receiver in Anodized Black
Add a plain or engraved port door forward assist kit from the drop down menu.
See reference “CHART A” tab below
PORT DOOR GRAPHIC ENGRAVING REFERENCE CHART
THESE ENGRAVED PORT DOORS COME WITH ALL HARDWARE NEEDED FOR THE PORT DOOR AND
FORWARD ASSIST
EXAMPLE
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