Bear Creek Arsenal BC-15 .223 Wylde 16in Bolt Action Style Upper Receiver M4 Barrel 1-8 Twist 1/2×28 Flash Hider Parkerized

Bear Creek Arsenal BC-15 .223 Wylde 16in Bolt Action Style Upper Receiver M4 Barrel 1-8 Twist 1/2×28 Flash Hider Parkerized. 223 Wylde upper is compatible with any mil-spec AR-15 lower. Magazine not included. Specifications for Bear Creek Arsenal BC-15 .223 Wylde 16in Bolt Action Style Upper Receiver: Manufacturer: Bear Creek Arsenal Caliber: .223 Wylde Barrel Length: 16 in Threads per Inch: 1/2×28 Muzzle Device: Flash Hider Color: Black Gun Model: AR-15 Handguard Length: 15 in Gun Rail: M-LOK Gun Make: AR Platform Weight: 6 lb Package Contents: Bear Creek Arsenal BC-15 .223 Wylde 16in Bolt Action Style Upper Receiver What firearm models does the manufacturer say Bear Creek Arsenal BC-15 .223 Wylde 16in Bolt Action Style Upper Receiver is compatible with? The manufacturer suggests that Bear Creek Arsenal BC-15 .223 Wylde 16in Bolt Action Style Upper Receiver is compatible with AR-15Bear Creek Arsenal UABA-310-223WCM41618-15ASR: BC-15 .223 Wylde 16in Bolt Action Style Upper Receiver M4 Barrel 1-8 Twist 1/2×28 Flash Hider Parkerized