DELTON Upper Receiver 5.56X45 20" Bbl. A3 Flat Top Pre-Ban
AR-15 Accessory: Y Other FEATURES: M4 Feed RAMPS Flat Top Upper (A3) Bolt And Carrier Assembly Charging Handle Standard Handguards Other FEATURES2: 1:9" Twist Del-Ton Rifles And Components Are All Made In The U.S.A. Heavy Contour Barrel. Aluminum Upper Receiver, Caliber: 5.56X45MM Barrel Length In INCHES: 20 Rate Of Twist: 1:9" Barrel Material: 4140 Steel Barrel Finish: Black Teflon
