My nephew bought some land out in southwest Texas.  It's got a nice set of hills dropping into a valley.  Shooting range is 300-400 yards for most plausible game distances.  

I have a few rifles more than capable at that distance and shooting pills more than adequate for the game present.  Problem is, I'm used to 100-150 yard shots on game animals.  I seem to wander my reticle a bit for small targets past that.  

Any good tips yall could share?  Are rear stock shooting bags helpful?  What's the maximum lbs you'd accept for a trigger at that distance? Etc.  Any tips would be appreciated.  - Bthorn

Walk Closer
They put corn in feeders set out box blinds some elevated.
The rich hunt from helicopter.
The distance is not the problem build a solid shooting bench with a good rifle rest. Blue Jean pant legs filled with corn work well for sandbags. You can disguise your shooting bench as a blind. If you build it on a flat bed trailer you can pull it wherever you want it.