Found this deal from the Colt Forum:
https://www.cdnnsports.com/colt-ar15-upper-16in-socom-with-rear-sight-1-7.html#.Wo2g-HlG21s
FACTORY COLT UPPER
Manufacturer: COLT
Model: AR15/M4 CARBINE
Caliber: 223 REM/5.56 NATO
SKU: COLSU
UPC: 088234685446
In Stock: 73 units
$349.99
Details
COLT AR15 UPPER 16IN SOCOM WITH REAR SIGHT 1:7" TWIST
Fully Assembled by Colt
Custom Steel Flip-Up Rear Sight
16.1" 1:7" Twist, Heavy SOCOM Barrel, 4150CMV Manganese Phosphate Finish CP Marked Barrel
A2 Front Sight
Includes Forward Assist and Dust Cover Door
M4 Handguards with Heat Shield
NO CHARGING HANDLE OR BOLT CARRIER GROUP INCLUDED
https://www.cdnnsports.com/colt-ar15-upper-16in-socom-with-rear-sight-1-7.html#.Wo2g-HlG21s
FACTORY COLT UPPER
Manufacturer: COLT
Model: AR15/M4 CARBINE
Caliber: 223 REM/5.56 NATO
SKU: COLSU
UPC: 088234685446
In Stock: 73 units
$349.99
Details
COLT AR15 UPPER 16IN SOCOM WITH REAR SIGHT 1:7" TWIST
Fully Assembled by Colt
Custom Steel Flip-Up Rear Sight
16.1" 1:7" Twist, Heavy SOCOM Barrel, 4150CMV Manganese Phosphate Finish CP Marked Barrel
A2 Front Sight
Includes Forward Assist and Dust Cover Door
M4 Handguards with Heat Shield
NO CHARGING HANDLE OR BOLT CARRIER GROUP INCLUDED