New P-07 UG Need Subsonic Ammo Recommendations

[QBToo]

While I wait for my Zev/CGS Kraken suppressor to get approved, I'm stocking up on some 9mm subsonic ammo.

Is there some subsonic ammo that shouldn't be fired in a hand gun (only a rifle)?  I was leaning towards Fiocchi 158 gr but read about some 147 gr.  I want to purchase the proper ammo for the UG.

Any recommendations to be used in the UG?  I'll be shooting primarily at an indoor range and occasionally outside at a ranch. 

What's recommended for defensive/home use?

Thanks for any suggestions.

[CZ173]

S&B and CCI

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[PnoyGeek]

It is my understanding that  any 9 mm ammo with a muzzle velocity under 1100 ft/sec is subsonic.  Almost all 147 gr ammo loaded to standard pressure will be subsonic while 124 gr ammo loaded to standard pressure will be borderline subsonic or supersonic.

[painter]

The speed of sound does not change with regard to caliber...

just sayin'