Those make pretty interesting reading Calum, thanks for posting the links. The improved version does provide an extra 200fps velocity, but that means yet more reloading. Currently, being that I am still gainfully employed, and with other demands life places on my time, I've convinced myself that the turdy turdy will be fed store bought factory ammo, the LeverEver stuff. Remember that I have limited myself to shoot within the limitations of the caliber. I think it will do fine. Certainly, I wouldn't recommend it as a one gun choice especially for elk. But it makes a great addition to the gun safe.