Sun Devil? and Billet?

Hello what do you guys think of Sundevil and what is a billet lower?

Thnaks

I think they are excellent.

C4

I’m sure someone will have a more defined answer but simple as I know it…billet lowers are constructed/milled out of a solid peice of alum. vs. cast.

There was a real good thread about “billet” a while back.

https://www.m4carbine.net/showthread.php?t=611