Welcome to the forum ,There are many people here that can help you more than me.But in my opinion not all full chokes shoot buckshot well and by the same token not all full chokes shoot buckshot bad. You just got to shoot different brands size etc. and find out what it likes.I have a 870 wingmaster mag fullthat shoots the devil out of 00 buck. Also have a 1100 mag that does the same.My Browning Gold prefers the mod. You just don't ever know untill you try.JMHOGood luck with your new shotgun ,which by the way is a great gun.