Yes - that is the one. The Tanto is quieter than the Tatsu on the PP750 (at least on my .177). I went with the Huggett Atom from Penchetta (sale now) and it is more quiet that the Tanto. If you want to stick with a DonnyFL, I've found the Koi to be the quietest for lower powered .22 and .177. The extra width of the Tatsu doesn't begin to help you out unless you're pushing more power - in fact it works against you in most applications. I've found the Tanto and Koi to be quieter than the Tatsu.
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. I have ended up with something that I call the PP 750 Q FR (Quarantined Full Retard) . I bought some cheapy parts on the interwebs and started playing around. I drilled a bigger hole in the shroud, and a dude at the hardware store sawed the head of a big 1/2 UNF bolt and drilled a 8 mm hole through it, I used something like JB Weld to fix it into position, so I can fit a silencer on, it Works like a charm. Zip tied a long rail underneath, added a chopped forward grip and a bipod . I had ordered a fake UTG folding stock adapter and chopped it down with an angle grinder, improvised a bracket to mount it on the gun and it Works, screwed in an also fake cheap buffer tube, wrapped it in a piece of pipe insulation to make it nice and light yet still have a nice padded cheekrest, added a 3x12x32 bug buster and I was done. Maybe later I upgrade the silencer but right hoe I just dont feel like spending the money. It looks like something Han Solo would carry. Lol. It also stands up on its rear end, then its looks like a 5G tower. Anywho , I had fun and want to share, perhaps it will inspire others to go bananas on this Nice little pistol/carbine. I will try to add pics. Regards, Ed 
