My closest deer was an unmeasured 50 feet or so. We were walking toward each other on a well worn game trail. I saw the deer before it saw me, and was able to move my rifle from being slinged over my shoulder, to being cocked, aimed, and fired before the deer made an evasive move. The 300g XTP hit it straight on in the chest, and it rolled over, and was dead, just as i arrived after reloading.