This is a godly sniper barrel for the Spyder MR2 and MR3. With this barrel, your Spyder marker becomes a deadly piece of weaponry on the field. The inside of the barrel has rigid all around in a straight projection. The paintball never touches the barrel, just the rigid. Add this barrel on your Spyder markers and you will increase your kill like never before. If you are a sniper, this is the barrel that you will fall in love with.