Stngr
V7 magnesium
I'm surprised no one has mentioned MRA V1 hand guard, I love mine. Fits like a glove.
V7 hyperlight and any carbon fiber lines
MRA V1. I like how the barrel nut doesnt need to be timed for the gas tube. torque it on and you're good to go. also it looks great and is pretty light.
EDIT you already carry them......I'm a fool.