Wilson Combat barrels have been pretty accurate for the price.
I don't buy the rifles just the barrels.
The only one I had to send back was AR 10 6.5 CM 24", after bore scoping...it was a bit of a hassle with the first guy, but the second took care of the situation and provided me with a decent barrel. Customer service its who ya get on the phone.
The 6.5 CM wouldn't be my first choice for a night varmint hunter.
The WC barrel is capable of hitting a few half inch 5 shot groups. But I was not interested in varmints so all the load data is with 140 gr 147 gr & 150 gr Match bullets at high velocity.
Varmints at night for me would be the 6mm ARC in AR 15 with a SS Proof 18" barrel. Look at the video "60 coyotes with the 6mm ARC". Dropping them out to 700 yds in daytime calling
4 coyotes come in at the same time, 4 coyotes down, with one shooter. Factory 108 gr eldm was used.