It is possible
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).**$ designates skeet (SK).*** designates cylinder bore (CYL).INV. designates barrel is threaded for Browning Invector choke tube system.INV. PLUS designates back-bored barrels
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).**$ designates skeet (SK).*** designates cylinder bore (CYL).INV. designates barrel is threaded for Browning Invector choke tube system.INV. PLUS designates back-bored barrelsIf you have any problems trying to figure it out, call or write Browning. You can contact them on their web page at Browning.com.
Choke designation
Modified Choke
im sure it can be done
DO NOT ATTEMPT TO FIRE BUCKSHOT OUT OF A THREADED BARREL WITHOUT A CHOKE TUBE INSTALLED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Danger, Danger, Danger
Check on the barrel flats
1965 if it is an auto-5. There should be markings on barrel to indicate choke.
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).
take it to a gunsmith
Not in Belgium barrels
Browning Choke Markings "* " = full "*- " = improved modified "** " = modified "**-" = improved cylinder "**$" = skeet "***" = cylinder