what is the difrence

[MattRC]

ok besides the apperance whats the diffrence between the tac-one body and the rt pro body? is there advantages or disadvantages?
i have both and wanna know witch one i will benifit from
the only one benifit that is not so much of a consern is the profile of the hopper(speedball yes woodsball no!)
this is my woodsball gun

my speedball gun is a junk ion (i hate that leaking pos) but i am working on getting an autococker. i love the mechanical stuff!!

[athomas]

The tac one body is a bit more beefy and has dove tail rails machined into the body. The Rt Pro body is a ULE aluminum body that is round with no rails milled into it.