I am working on an E grade Lefever #585XX. The chokes are F/F with 30 in barrels. The wall thickness is .58 and .60 at muzzles. There is a 2 on the watertable on the same side as the E. My question is about the barrel thickness. The barrels barely fit in the barrel rack of my safe. They are thicker than than my Wildfowl LC Smith. Is this uncommon or were there options for barrel size/weight for these.