Since I am always behind what the KoolKids are doing..for a long range plinker I'd build a 280AI VT style something...and bang 4 footed stuff as far as I could see them with appropriate for critter sized bullets.
"These are the times that try men's soul's"...Thomas Paine
"Those who fail to learn from History are doomed to repeat it" ....Santayana
"There's a sucker born every minute" P.T. Barnum, on why he always had customers to see the sideshow features.