We use Tposts to support AR-500 plate at the Ponca Range up to .300 Win mag on our 100 yd and 300 yd bays.Shipping always kills me. Only paid 100 bucks for the target and it came with heavy duty dual chains and a t-post adapter if I wanted to stick it on one. Not sure how durable a T-post would be getting knocked around.
Will use some re-bar or pipe to make the stand.
It holds up well. Amazing how many shots the posts will take and they are only $4 and change each.