Only every heard of Bison from the BBGunz style websites. Never heard of anyone skirmishing one. Doesn't mean you couldn't try, but the fact it isn't one of the more common out there might be a clue. If it was me I would save my pennies and see if I could get something better known. For example the ICS sportline with the clear bodies are supposed to be good, I have the ICS proline ie all metal M4 and its great. Clear is far less offensive on the eye compared with the standard two...