Yes
Best bet is to have it examined by a good gunsmith.
This project should be probable.I would have a competent gunsmith give you a quote for threading the barrel to except the Invector plus choke system.
50-500 uSD
BROWNING CHOKE CODES (check on rear of barrel, usually on the left, but, sometimes on the right). ( for an O/U open and check flats) * Full *- Improved Modified ** Modified **- Improved Cylinder **$ Skeet *** Cylinder bore INV Browning Invector choke tube system. INV. PLUS Browning Invector Plus back-bored barrels Note: Inv and Inv Plus are not interchangeable. http://www.browning.com/customerservice/qna/detail.asp?ID=100 will give you the numerical data.
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
Modified Choke
Browning Choke Markings "* " = full "*- " = improved modified "** " = modified "**-" = improved cylinder "**$" = skeet "***" = cylinder
BROWNING CHOKES AND THEIR CODES (ON REAR LEFT-SIDE OF BARREL)* designates full choke (F).*- designates improved modified choke (IM).** designates modified choke (M).**- designates improved cylinder choke (IC).**$ 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.
Yes. Briley or some other company will have to do the modification.
The Invector, or "Standard Invector" system" was introduced in 1983. A few years later, the Invector-Plus chokes were introduced to fit the new back-bored shotgun barrels. These two choke systems will not interchange. If you have screw-in chokes in your shotgun barrel, the kind of system you have will be stamped on the barrel near the receiver. You must use the proper choke system for your shotgun.
They should not be.
It will be marked on the barrel.