I don't think I've ever seen a fake one until recently. I come across M 30's fairly frequently. The real ones have always been light blue or white. A few weeks ago I came across some that just didn't look right. The classic 'M' logo looked legit, but they were smaller in size (about the size of an A215). Also the score on the back didn't cover the entire diameter. The colors look uneven if you break it in half. They are a darker blue color, and taste like a Xanax or something. These were found in the Tampa area. Either Mallinckrodt has made their pills smaller, or there are a bunch of fake ones currently going around this area.
I too have gotten the same thing!...after getting a few with a friend I realized that some were white and some were the off blue with specks just like the A's. This made me a bit nervous...then after closer inspection I also noticed that they were also a bit smaller than the white ones as well...my friend made me think I was crazy so I said fuck it and ate half of one of the white ones....I felt fine....The next day for work I ate half of a blue one in the morning....normaly by the time I get there im feeling quite good but this time it was different....I had alot of energy! Maybe more then usual when i have real jawns but this was almost speedy. they deffinatly tasted like xanax (didnt try blowing them). I told my friend to be careful because I thought they maybe fake but he thought I was insane. Like and idiot I tried more...still no feeling of opiates but still content...no withdraw just feeling a bit hot and dizzy. This is the kicker...the next day I finally get some real m 15's. The first one I ate got me wasted! like too much than Id like to be. Then later in the day and even today I feel like they are coming in waves...like some other drug is still present in my system...I deffinatly havent felt right untill tonight...my guess is there is some sort of opi bocking drug in there? sub or methadone? who knows....iv gotten fakes like this before that had the same effect...just a word to the wise. I was searching all over the net for a similar story and it figures the last post on this page was what i was looking for lol....im staying clear of m 30s or all 30s if I can. There is too much risk...im lucky enough that my habbit is small enough where i can get by just eating a few 10's a day. I feel bad for the people that are Iving and could possibly be shooting a few good with a few fake pills...who knows wtf that is doing to people.