1 inch
No
The road block shotgun you may be referring to is the Mossberg 500 "Road Blocker". It's a tactical use Mossberg released in 2009. Google "Mossberg Road Blocker".
Try e-gunparts.com
yes
The .410 shotgun has a bore diameter of approximately .410 inches, which corresponds to the nominal size. However, when referring to the barrel diameter, it can vary slightly based on the specific design and manufacturer. Typically, the barrel diameter for a .410 shotgun is around .410 inches at the muzzle.
No. A choke tube slips into and screws to the muzzle end of the barrel. It can only decrease the inside diameter.
The outside dimension of a barrel is simply the diameter. The traditional inside measurement of a rifled barrel is caliber and the traditional inside measurement of a smoothbore (shotgun) barrel is gauge. Strictly speaking, smoothbore gauges are not diameters. Gauge number is the number of round balls fitting the bore that can be made from a pound of lead.
Yes, a bullet must be the same diameter as the barrel (unless it is a shotgun).
Your question can't be answered as written. What Model? What are ALL the markings? What gauge? How long is the barrel? What type of finish? Mossberg 500C, 20 gauge, 26" accu-choke, serial number K064007, checkered wood stock, blued barrel, vented rib barrel.
A Mossberg 410, home defense, or a 18 inch barrel 20 gauge Mossberg 500 youth model with accu choke . Between $250.00, and $350.00
your western field model 550cd was made by mossberg,there model number is 500B.I would try numrich gun parts corp.for your barrel,and use the mossberg 500B number for parts identification.
yes,shotgun and barrel length.not a pistol,and shotguns are not considered assault weapons.