0.285”

Sample list of 0.285" ID arrows:

Carbon Expess: Aramid KV® Crossbow Arrow, Maxima® KV Hunter Crossbow Arrow, Hunter Crossbow Arrow, Maxima® Mayhem Crossbow Arrow, Pile Driver Crossbow Arrow, Surge Crossbow Arrow, CX™Crossbow Arrow
Easton: FMJ Crossbow Arrow
Gold Tip: Laser II Kinetic, Laser IV*, Nitro*
Horton: Savage RD (-2012 by Carbon Express), Lightning Strike™ (-2012 by Carbon Express), Bone Collector™ (-2012 by Carbon Express), Bone Crusher™ (-2012 by Carbon Express)
Parker: Crossbow Arrow (-2012 by Carbon Express), Red-hot Crossbow Arrow
Vapor: Crossfire Crossbow Arrow*