DESCRIPTION:

Upgrade your stock plastic power tube with a precision machined one for higher performance. Our custom power tube seals on the bolt when reaches the firing position, also hasour tight fitting front velocity screw. This securely holds the front velocity screw tight!

• replace stock plastic power tube with a precision machine power tube made from aircraft grade aluminum
• includes tight fit front velocity screw that will not loosen causing high velocity
• delrin bolt has cupped face and rounded edges , helps reduce ball break