Moen Bathroom Faucets Parts

To the damn water hoses? I recently purchased 4 new Moen bathroom faucets and instead of having copper feeder lines with brazed or soldered on male threaded pieces I have 16 inches of soft copper tubing. This tubing is 3/8th outer diameter. I have tried compression fittings from Lowe s and Homedepot. The compression fittings say they are 3/8 but they are several thousandth s bigger than my copper pipe and the compression nut literally ovals before [...]