Love my 280AI, it’s piles up a lot of animals, 6 elk in 5 years. Mine is built on a model 700 with a #4 barrel and isn’t super lite but doesn’t kick at all IMO, my son has killed 3 deer with it in 3 years and his first when he was 8. My oldest 14 has killed a good bull with it and has shot it since I built it and my wife has killed a buck and cow with it as well. Mine does not have a brake on it either.
One thing I find funny is everyone talking about ammo availability with 7mm, 06, 300, etc. well I was running around yesterday and being an election year nobody has any ammo on the shelves. I mean almost zero ammo for any common rifle. What I did see is that all three of the local gun shops have about 20 box’s of 280AI between them

They also have a few of the other more unique rounds but all the common cartridges are long gone and have been for months. Same goes for hunting season out here in Northeast OR. If you think your going to walk in to a local gun shop or sporting goods retailer and pick up 06, .243, 270, 308 or any other common ammo during hunting season your mistaken. Everyone waits until the last minute and about the first of Oct on it’s all gone. Maybe some of the stores in the big city’s will have some but not in the middle of nowhere.
The nice thing about an Ackley is that it can also shoot its parent cartridge, so 280 Remington can be shot and a lot of times very accurately.
If a person really wanted they could darn near shoot an Ackley for free, just dial it in with 280 Remington, hunt with it and then sell all the once fired brass for what you can buy 280 ammo for. My Ackley shoots 280 Remington loads MOA, I use them for predator hunting and then reload the fire formed brass for big game.