Inception Designs Complete PWR Insert Kit Barrel Cases & Accessories M4 High Velocity Valve Increases

M4 High Velocity Valve Increases Velocity to 490FPS

The marker has minor scratching on the barrel and body

Tech mat measures 39" x 13

1 - Trigger Sprint

DOT & TC approved cylinder

Inception Designs Complete PWR Insert Kit Barrel Cases & Accessories M4 High Velocity Valve IncreasesThis is a complete Inception Designs PWR Insert Kit that includes all 6 backs (0. 675, 0. 680, 0. 683, 0. 685, 0. 687 & 0. 690). Available in just the inserts or with an Inception Designs Barrel Case! These PWR Inserts work with barrels from Planet Eclipse and Inception Designs that are designed for PWR Inserts. They do not work with other insert barrel systems from other companies. The new system uses specially designed inserts that maintain all the