When I bought my 682 Gold E combo, it came with 6 choke tubes. Two of them were IM. I used them interchangeably and ran hot an cold. One day, after a particularly bad couple of rounds I complained to a friend and was told to put a different choke tube in. I put in a full and ran the next 25.
The next day I went to the range, set up on a bench and shot each choke tube in each barrel for POI. I found that only 2 of the 6 choke tubes shot within 2" of each other at 20 yards (one IM and the F). The others were all over the place. I also found that all three barrels shot to different POIs with the same choke tube.
As set of Briley choke tubes cured the differences between choke tubes, but I still had the problem with the barrels. So I eventually sold the gun.
Most Beretta and Brownings have that problem, and others as well, I'm sure. That is precisely why I choose to shoot fixed chokes for trap.
POI problems are not specific to any one brand. In fact very few are dead on from the factory. O/U are the worst as far as getting two barrels to converge to the sam POI. Factory chokes as has been mentioned create problems as well. Too many guys don't check POI on their gun after the pruchase. And most wopulod be sadly surprised if they did so.
Sadly surprised is exactly what I was when I finally patterned my gun and found the "mod" chole was at least 8 inches left. The IM and Full were dead on. Examined the choke tube and found it to be out of round by .005. Also found it was actually measured as an IC. A new extended choke fixed the problem and also picked up a bird or two with the tighter pattern.
Oh great, now half a dozen shooters won't be able to sleep tonight. They will be tossing and turning, thiking about how many birds they may have missed because of the choke tube. I would hope they would have noticed if the gun wasn't shooting where it was being pointed. Brain fade proberbly caused more misses than they could ever count. BIG JIM
Are you two clowns the thread police? I would like to see your badges. Why did you clowns take my statement personal? Couldn't you boys sleep last night, thinking about lost targets? I was making a general statement like everyone else does. I went back and looked at pheasantmasters comments on other threads. He has had more than a few off hand remarks. How about you? NOT WORTH MY TIME TO LOOK IT UP. All I was trying to say, was that some people get so wrapped up thinking about all the small problems that "might" be possible, that they forget to concentrate on the target. I am 62 years old and I don't give a cr-p what you say or do. YOU NEED TO BUTT OUT AND MIND YOUR OWN BUSINESS., Your turn... STICKS AND STONES - YOU MORON...JIM
Jim, I think it's obvious that you have difficulty with anyone diagreeing with you as well as anyone who seems to be older than you, who knows more about the subject than you. You're in California and there's a lot of mental health clinics. I suggest you visit one before picking up a gun to shoot any trap
Have someone read my thread to you that can comprehend what I was saying. It's obvious that your head is so far up your butt that you can't think straight. Neither one of you stated any where that you disagree with me. You were just such a Jerk and launched into a personal attack. But it makes me feel good that you don't agree with me. I would hate to think I was a MORON like you. Again, MORON, I was not disagreing with what was being said. I only said that several people would now be thinking about that and not being able to sleep. It was tounge in cheek. Have your keeper explain that to you. And where did your age come into play. I don't see it in any of the thread above. You need to take your medication and go back to sleep and stop making personal attacks for no reason. You are the "NUT CASE", NOT ME. I don't take crap from anyone, no matter what their age is.