Rapid fire bunker usually has them, but call ahead. I think either would do fine choping wood since there a vids of people using just an Izula, I think they also have a survival challange just using and Izula. So I wouldn't worry about strength on the 3. I would lean towards the 3 cause the shorter blade easier to control at least for me. I'm no expert by any means of even a seasoned outdoorsman. You will get much better feedback from other members, but since you asked I threw in my 2ยข