I have a couple of the RRA triggers in my varmit ARs and they work great, also have tried the JP springs and they are great also at a bargain price of under $10.00 if you want to stay with a single stage trigger.

Howdy guys. Long time lurker. I have the the ER Shaw upper and it shoots great. Also did build a custom upper with a DPMS .204 Ruger Varmint/Target barrel & a DPMS High Rider Receiver but as yet to try any loads out in it. I live in the back yard of the California Buzzard(Condor) so will have to...

I've been using a Possum Hollow, works great.