That's a real difference.
Is the Troy product significantly better than similar two-piece floaters from Daniel Defense (Omega), or Midwest Industries?
Neither MI not DD make an extended FF drop in.
Educate me.
When considering free-float rails, it is my perception that its job is to stay in place and not break. Why would I spend $250 on a rail that does those things no better than a $70 rail?
I am unaware of a $70 drop in, free float extended rail?
As for a what a rail should do, it’s a bit more than stay in place and not break, however it may not matter for your uses.