yes... but it will depend on what you feed and how much meat/fat you want on them.
I keep mine for breeding but on average they're about 10-18 mo old or older when I process them. But others say they can be ready in 5-6 months. I guess it depends on how big you want them and what you feed them.
I feed mine layer pellets, and will toss out a mix of cracked corn, barley and BOSS... along with watermelon, blueberries (any berries really) peaches.. anything that is getting over ripe... they will "gobble" it right up! They also get to free range too. I think there is a feeding schedule for readying a BB turkey for processing. I would say up their protein in take a month prior to processing.
hope that helped!