Features & Specs:
- Brand: Madbull
- Model: MB OTB EXT 1
- CNC Lightweight Alumninum with Level II Black Anodize (seamlessly integrates with Madbull black outer barrels).
- CCW threaded on both ends.
- Hides extra inner barrel slack.
- 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.
- Recommended for use with Madbull outer barrels
- Stabilizer o-ring
- Designed to improve accuracy by reducing vibration of inner barrel while firing
- Tested with Madbull inner barrels and Madbull outer barrels
- Made of rubber