Bushmaster ORC II Upper Assembly 16in 5.56 NATO/.223 Remington Black

Bushmaster ORC II Upper Assembly 16in 5.56 NATO/.223 Remington Black. Equipped with a 16'' 4150 CMV Salt Bath Nitride Heavy Barrel and carbine-length gas system this assembly delivers superior power and longevity. Featuring a 7075 Forged A4 Flattop Upper Receiver and a 14'' Free Float Rail the ORC II is perfect for customization. The rifle is chambered in 5.56 NATO (.223REM) with a carbine-length gas system and has a 1:7 Twist Rate and 1/2x28 Thread Pitch ensuring excellent accuracy and power. Its Salt Bath Nitride MPI Bolt Carrier Group guarantees consistent and reliable firing. With its exceptional performance and superior craftsmanship the ORC II is Upper Assembly is PROVEN to be a top-performing upper to add to your build and experience the Bushmaster difference. Specifications for Bushmaster ORC II Upper Assembly: Manufacturer: Bushmaster Caliber: .223 Remington 5.56x45mm NATO Barrel Length: 16 in Gas System Length: Carbine Length Barrel Twist Rate: 1-7 Threads per Inch: 1/2x28 Muzzle Device: Snake Charmer Muzzle Brake Color: Black Fabric/Material: 7075 Aluminum Gun Type: Rifle Gun Make: AR Platform Magazine Included: No Features of Bushmaster ORC II Upper Assembly Upper Receiver Material 7075 Aluminum Alloy Upper Receiver A4 Flat Top Bolt Carrier Group Finish Salt Bath Nitride Bolt MPI Tested Handguard BFI 14 M-LOK Handguard Muzzle Device A2 Flash Hider Front Sigh None Rear Sight Package Contents: Bushmaster ORC II Upper Assembly Bushmaster 00-40027-BLK: ORC II Upper Assembly 16in 5.56 NATO/.223 Remington Black