Discontinued: Troy A4 16 Inch Complete Assembled 5.56 NATO M-LOK Upper Receiver with Backup Sights

This item is discontinued by the manufacturer. You can find more complete AR-15 uppers here! Complete Troy Upper with SOCC Handguard and Backup Iron Sights Duty ready with modern features for the pros, the Troy A4 complete upper gives you all the tools you need to complete a build with high-quality components. This upper features [...]