Iceman6409 Well-Known Member Joined Jun 3, 2008 Messages 433 Reaction score 22 Location Rochester Oct 6, 2015 #1 Hello all. I have ordered a 3 gallon keg and it is a pin lock. No problem. However I do have another keg that has ball lock posts on it. IF I wanted to could I put the ball lock posts on the pin lock keg?