The AAC TI-RANT 9M HD/45 Piston is a replacement or alternate thread pitch piston designed for use with Advanced Armament Corp TI-RANT 9M and TI-RANT 45 suppressors.
- Type: Suppressor Piston (Nielsen Device)
- Thread Pitch: 1/2×28 TPI
- Compatible Suppressors: AAC TI-RANT 9M, TI-RANT 45
- Function: Browning-action semiautomatic pistol cycling
- Material: Steel
