For those looking into shaving some weight off their airsoft guns, they may want to take a look at these Monk Customs Carbon Fiber Outer Barrel available at Airsoftjunkiez. These use nylon and carbon fiber with the the 5″ outer barrel weighing in at only 22 grams making it the most lightweight outer barrel on the market today.

This outer barrel is compatible with the Monk GO Series & Monk OG Series And all other M4 series and is available in 6 colors: Blue, Red, Green, Matte Black, Gloss Black and Gold.