Hides extra inner barrel slack and adds space for quick detach or other barrel accessories. Solves common issues: a) inner barrel longer than outer barrel. b) RIS longer than outer barrel.
With inner barrel stabilizing o-ring, designed to improve accuracy by reducing vibration of inner barrel while firing.

Features

• CNC Lightweight Aluminum with Level II Black Anodize.

• 14 mm CCW threaded on both ends.

• Recommended for use with Madbull outer barrels