For Sale - BCI Defense SQS-15 .223/5.56 Rifle - Heavy Bull Barrel Up for sale is a BCI Defense SQS-15, chambered in .223 Remington / 5.56 NATO. This AR-style rifle features a heavy bull barrel designed for increased stability and accuracy during target shooting or varmint use. Specifications Make / Model: BCI Defense SQS-15 Caliber: .223 Remington / 5.56 NATO Action: Semi-Automatic Barrel: Heavy Bull Barrel Barrel Length: Verify exact length Receiver: Flat-Top AR-Style Receiver Handguard: Free-Float Handguard Finish: Matte Black Stock: Adjustable or Fixed Stock-verify configuration Magazine Capacity: Depends on included magazine Condition: Good