Your western auto model 330B 410 gauge bolt action shotgun was made by Mossberg.The Mossberg model 183T and your shotgun are one and the same.Contact Mossberg and sons directly and see if they have a manual available.If not you may want to check the internet,gun shows,etc.to see if one is available.The model 183 series of shotguns were made by Mossberg from 1948-1985.
Less than $100
the r330b is a 410 shotgun that is chambered for 2 3/4 and 3 in shell. so get some get some shells and have fun
depends on the condition, i would say 85 to 135
The gun was made by Mossberg. We have new magazine spring assemblies for $17.00. gunshop@nctv.com