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Discussion Starter · #1 ·
I recently purchased a second-hand AL391 Urika, supposedly built in 2005. Unfortunately, it did not come with any chokes so I need to buy them. However, I'm very confused. The barrel is marked "OB" and Optima Bore (3" chamber 28" length). Everywhere I read, including directly from Beretta's customer service states that I need to use regular "Optima" Chokes.

However, when looking in the barrel, the choke threads do not start until about an inch from the end of the barrel. This leads be to believe that I need Optima Plus tubes. I even called Cole for advice and they said that my barrel seems to be marked for Optima choke and they didn't know of any AL391 Urikas that use Optima Plus, but they agreed that my thread placement was confusing.

Please advise.
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Discussion Starter · #4 · (Edited)
Does the serial numbers on the gun and barrel match? Is it a Sporting or field gun?
I believe it is a field gun. The serial numbers on the receiver and barrel do NOT match.

I have already figured that I do not need Optima HP, because I tried the chokes from my 686. My decision is between Optima and Optima Plus. When looking at the threading of a flush Optima choke, there's no way it would work with the barrel threading. The optima choke threads start at the very top of the choke...where the Optima PLUS chokes have that same gap before the threads begin (just like my pictured barrel).
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Discussion Starter · #14 ·
Call Beretta and have them look up your serial number.
I actually did and they only saw Optima Bore when researching the serial. The person on the phone was not very informed and just read from documentation (no first-hand knowledge). She said that she sent the info to their gunsmiths for further investigation.
 

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Discussion Starter · #26 ·
After looking at the thread placement of the flush Optima chokes, I've decided that there's no way that I should use them. If I screw the flush Optima choke into my barrel, there would still be about an inch of barrel protruding because of the gap between barrel end and threading.

I'm certain at this point that I need the Optima Plus chokes.
 

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Discussion Starter · #28 ·
I bought it from a local gun shop. So they would have to reach out to the previous owner. It has to be Optima Plus....thanks everyone for their input!
 
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