Benjamin Nitro Piston .22Cal... They Have A Newer Version Out Now Called NP2..Also In .22 Cal. Getting It For My Son For Xmas For Squirrel Hunting.. I shoot RWS .22 Hollow Points Great Pellet. Good Scope Combo Aswell...Nice Wood Stock. You want A Fairly Heavy Gun For Accuracy . Ive Also Killed Racoons An Rabbits Too. But Mainly Hunt Squirrels .