Browning offers extra/additinal/replacement barrels for the Browning Maxus shotgun line. This chart gives you an overview of what is available. Check the full listing for current pricing and availability.
IMPORTANT: Do not attempt to put a barrel of a different gauge on your shotgun. They will not fit. Do not attempt the use of 3 1/2" chambered barrels with 3"receivers, nor 3" chambered barrels with 3 1/2" receivers.
This chart is from 2014. Prices may vary. Manufactureres Suggested Retail (MSR) shown.
†To prevent damage to forearms, all Maxus rifled cantilever barrels are delivered with a new forearm specifically designed to fit over the thicker rifled barrel walls.