how do i make the sentry from portal be in its open position?

[legolover122]

how do i make the sentry from portal be in its open position?
it shows its open position in the spawn ghost, but i dont know how to make it in open (like ready to fire)

[whosdr]

Maybe a skin or body group.
Body group is more likely.

[legolover122]

and how would i go about doing that?

[whosdr]

I know there is a Lua function for it.

[legolover122]

is the addon from garrysmod.org bodygroup changer work?