Up for sale is a Colt M4A1 SOPMOD Block II upper. This began life as a Colt 14.5” M4A1 SOCOM upper. Purchased and added the correct parts to convert into a Block II clone (listed below). All work was done by a professional gunsmith at Only the Best Firearms in Pompano Beach (assembly and pin/weld). Feel free to reach out with any questions or if you’d like additional pics/vids. Asking $1,450 OBO.

+Colt C mark bolt carrier group
+Colt MPC bolt
+Colt keyhole upper receiver
+Colt 14.5” heavy profile socom barrel w/ FSP
+Geissele Airborne Charging Handle
+Surplus Matech BUIS
+Daniel Defense RIS II rail/handguard
+Surefire 4 prong flashhider/suppressor mount

Also have a Colt Property of US govt marked M4A1 lower that I’d be willing to include for an additional charge. Thanks for looking!