The Bravo Company upper comes with 10" MCMR M-LOK rail and an 11.5" BFH barrel. Included with the BCM Upper Receiver Group is one 3" Picatinny Rail Section and one BCM MCMR Sling Mount. These Barreled Upper Receiver Groups are designed for shooting professionals and responsible civilians with the Mil-Spec features for the demands of their duty. They are fully assembled, headspaced, and test-fired

Features:

• M4 Feed Ramp Barrel Extension
• M4 Feed Ramp Flat Top Receiver
• T-Marked Upper Receivers
• USGI 1/7 Twist Rates
• USGI 5.56 NATO Chambers
• Mil-Spec 11595E - Certified Barrel Steel CMV
• Chrome Lined Bore and Chamber
• Manganese Phosphate Barrel Finish
• HPT High-Pressure Test Barrels
• MPI Magnetic Particle Inspected Barrels
• Carbine Gas System
• MCMR M-LOK Rail (10.5" Overall)

Note Does NOT come with BCG or charging handle.