Best arrow and broadhead I could buy for my crossbow for boar?

With the speed of x bows I I think anything will work.. I shoot a compound and long bow, I use a 220 gn broadhead on both, but you'll be fine with the standard 100 or 125 gn.

I shoot them with the same setup that I use for deer hunting, muzzy broadheads and gold tip arrows.

oops sorry you said crossbow my bad.

For pigs/boars...avoid mechanical broadheads.

Cut on contact points are great. Muzzy's have their fans, but I don't like the long point sticking out so far in front of the blades.

Broadheads: Have had good proformance on pigs with Snuffers, and Razorcaps. Slick Tricks have worked the best for me.

I agree stay away from Mechanicals..