Paintball Assassin DeathStix Carbon Fiber Barrel System -Autococker- 14in Skull Overall Barrel Length: 14 Inches 4 Backs, Bore sizes: .686, .689, .692 and .695 Includes nice carry / storage box Carbon Fiber Technology Fits all guns with Autococker Threads (Mini, Axe, Bob Long, Dye Matrix, Planet Eclipse, DP and more)