The new Sauer ERGO heat 404. 404 Synchro XT with in build heated stock. Ideal for keeping yourself warm in the high seat! Available in most calibres from stock with scope/moderator packages available. "With a SAUER ERGO HEAT pistol grip heating system, the fingers of your shooting hand remain warm so that even in icy conditions, you can cleanly operate the trigger. At the highest heating level, the ERGO HEAT maintains up to 30 °C difference to the ambient temperature."