Location: 3rd rock from the sun, formerly from 4th rock from the sun
Posts: 5,000
I'm pretty sure you can go to the Winchester home page and look up your seriel number and find out when it was made. I know you can do this with the lever actions on there so hopefully you can find yours on there too
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I may not be the brightest crayon in the box at times but I sure am colourful
My Winchester "Dates of Manufacture" book doesn't show a Model 30 but I suspect that it may be an older model 1894 that is marked 30WCF. In that case if you can find the serial number on the underside of the receiver I should be able to give you a date.