Complete and Lightly used BCM upper with a Daniel Defense Rail System - quick detach ring not included. BCM Government Profile Barrel with a 1X7 Twist (HP MP 5.56 NATO 1X7) About 3500 rounds have been fired through this upper. A barreled upper group (less: b/bc/ch and handguards) retails for $445 on the BCM Site. BCM Bolt Carrier Group and Charging Handle retails for $139 The rail system alone is $389 ( https://danieldefense.com/rail-systems.html ) Upper is worth: $973 New. Asking: $675.00 or best offer - try to keep offers reasonable.