I'm going to say no. I've never heard of that (although, I'm not an expert by any means) and I can't find anything about it anywhere. 177mm would be a huge bullet and probably not practical for a hand fired gun. The only thing I personally have ever seen regarding "177" is some pellets and b-b guns are .177 caliber.
No stingray Sr3 is not a real handgun but a laser sight for pistols.
No
Yes. The U 505 is the real attack or combat submarine.
Have it examined by a professional appraiser
Your combat level is always your 'real' level.
Not well, easily or safely in most cases. The blank gun is designed to NOT be easily convertible.
Mortal kombat is not a real tournament
No, but it resembles the USSR in real life. None of the countries or places in Ace Combat are real. Sorry
ungreatfulalive
No. It's a fictional customized Beretta 92FS with aesthetic additions as well.
Enchanted is a movie with a kinsa combo of Fairytales...
No. You should get a real gaming console for that.