Haenel Model 310, 4.4mm cal. bolt action air rifle.  Serial #NSN, mfg. Germany.  Very good condition.  Cocking handle located on top.  22" barrel.  Fixed hooded front sight and adjustable rear sight.  Blue finish is 90%.  Smooth wood stock with integrated lined butt plate is in good shape with some hits and wear.  Comes with an extra cylinder and a green canvas sling.  Can ship directly to you.