The Windham Carbon Fiber SRC rifle features a molded carbon fiber composite receiver (40% carbon fiber content) and a Picatinny rail gas block that is ready for accessory sights. The 16" M4 profile barrel is chrome-lined with an A2 flash suppressor and is made with 4150 chrome moly vanadium steel. Nikon 4-12 scope and qd mount. 500 OBO. No trades.