Had the same problem, sent the gun back to Benelli at their request. Received the gun two weeks later with a not as loose forearm.Contacted Benelli again and was sent a tighter fitting forearm without having to send the entire gun back. Seems the way the forearm connects to the receiver the loose forearm will return. The SBE II is still a great gun and the wobbly forearm didn’t stop me from buying a Vinci and 20 gauge M2.