The AAC TI-RANT 45 Piston with .578×28 thread pitch is a replacement or alternate Nielsen device (booster) piston designed for use with the AAC TI-RANT 45 suppressor system.
- Type: Booster Piston (Nielsen Device)
- Thread Pitch: .578×28 TPI
- Compatible Suppressor: AAC TI-RANT 45
- Material: Steel
- Function: Allows tilting-barrel pistol cycling with suppressor attached
