Think of the range like this.
Vyrus, Delta v-ii and sabre are the young kids of the family, m4 is the teenager, m6 and hunter are are the parents enough maturity without losing the dna.
Uh-oh. M4 as a teenager... They are bass heads and is that stuff they listen to music.
Spoiler- I'm 51 and my son is 19.
Joking. Lol