I wouldn't worry about the difference between mc and mtp. Don't go for the really cheap ripoff crap that some will try and sell you. Any stuff that is of a decent quality would be ok. Just look at the colours on the camelback pouch on the above pics that isn't mc or mtp
And they use either a Serpa or Blackhawk holster
And they use either a Serpa or Blackhawk holster