Help Please, help

Hey guys, I have a kublai m4 and the t peice on it has cracked. I can’t find any m4 k1 t peices anywhere but the k2 looks identical, does anyone know if they are comparable or have I just flushed 300$ down the loo. Cheers legends

Try Ali or eBay. Might have something there.

I have the kublai m4

They are the same t piece