Shop 7.5″ AR-15 pistol uppers at Daytona Tactical. Our 7.5″ uppers come fully assembled — barrel, BCG, charging handle, and handguard included — ready to drop on any mil-spec AR pistol lower. Available in 5.56 NATO and 300 Blackout from brands including Spikes Tactical, Aero Precision, and Radical Firearms. The go-to barrel length for compact home defense builds and SBR configurations.