Take it to a gunsmith.
take it to a gunsmith
It will be marked on the barrel.
How short a barrel? Factory choke tubes?
1965 if it is an auto-5. There should be markings on barrel to indicate choke.
The barrel will be marked "Made in Belgium"
Should be marked on the barrel. If not, take it to a gunsmith.
There should be some type of markings on the receiver/barrel. Usually a combination of - and *
(ON REAR LEFT-SIDE OF BARREL) '*' designates full choke (F). '*-' designates improved modified choke (IM). '**' designates modified choke (M). '**-' designates improved cylinder choke (IC). '**$' designates skeet (SK). '***' designates cylinder bore (CYL).
All guns should have the information stamped onto the barrel. Most of the time it is near the action. Look on the barrel of your shot gun and it should tell you the make, model, caliber (or in your case with a shot gun) the gauge, for shot guns the size of shell the gun takes, and finally the choke the shot gun has. If it is a screw on choke it should saw on it.
Should be marked on the barrel. It is impossible to tell caliber from the information you provided.
BROWNING CHOKES AND THEIR CODES (ON REAR LEFT-SIDE OF BARREL)'*' designates full choke (F).'*-' designates improved modified choke (IM).'**' designates modified choke (M).'**-' designates improved cylinder choke (IC).