Originally Posted by
Quiet
Reports from SHOT Show 2019...
Due to reliability issues of the TS12 using 2.75" shells, IWI decided not to release the TS12 in 2018.
IWI Rep says the TS12 was designed for use with full power 3" shells, so it ended up not functioning reliably with cheap low powered 2.75" shells ("Winchester white box, ammo found at Wal-Mart, etc").
Which prompted IWI to not release the TS12 in 2018 and to redesign the gas system so that it would operate more reliably with 2.75" shells.
The fix to the reliability issues is the reason why the TS12 has been delayed until around Q2 2019.