Orange BBG7 is a quicker growing plant. I never get tired of seeing peppers with bleeding calyx. Notice in the pictures how the more ripe peppers have orange coloration where the fruit attaches to the plant. Mother Nature’s way of telling you when the fruit is ripe!
No clear estimate of heat other than confidence it will be a superhot chili, greater than 800K SHU. Expect a small degree of instability.