For the IWI X95 in 300 BLK:  I want to run my AAC 51T suppressor on it.  

Which AAC mount did you use (flash hider, breakout, or brake)?  

Does it need the "deep socket" mount or does it shoulder on the IWI jam nut?

Deep socket will shoulder on the end of the barrel.

Standard socket will shoulder on the shoulder. But x95 threads are like 3/4 long.

I have used a deep socket and used the jam nut to cover the excess threads.

I currently use a silencerco .22 thread spacer that is 1/4" long with a standard socket flash hider, giving me 1/2" of usable threads.

Probably doesn't mean much, but I just prefer my muzzle devices shouldering on the actual shoulder.

I have the 51t breakout on my Tavor, it’s deep