Depends on how cheap of a Vortex you are planning to buy. I just ordered the Viper PST 4-16X50 with MOA reticle and front focal plane. There aren't a lot of choices for FFP and MOA. It was put on backorder almost immediately. They emailed me and said orders were all expected to be filled early to mid March. This is going to be mounted on my Rem 700 SPS tactical w/20moa mount and heavy rings. BTW, the PST line is NOT "Made in China". I'm sure their entry level stuff is though. Everyones entry level junk seems to be or MiM. :-( If this scope is what they advertise, I'm going to be ordering the 1-4X PST on my flat, Hbar AR.
Give a man a match and he'll be warm for a few seconds. Light him on FIRE and he'll be warm for the rest of his life!