Best left to a trained gunsmith.
Best left to a gunsmith
Proofhouse.com has sn tables for Winchester.
Search on youtube for Winchester 1300 assembly, they are internally the same.
Best left to a gunsmith.
Yes, but ejector spring may need modification- slight change in slot for spring.
Brownells gunsmithing should have a wrench that fits your Winchester model 12 end nut. this site is available on the web.
You need to take it to a competent gunmsith
Remove the 2 screws from the end or the mag tube and the cap and spring will come out. Do so carefully as the spring is compressed
No, at least not on the original production guns (1892 - 1941).
You need a good gunsmith.
Winchester Model 1200
A Winchester Model 70 is a rifle.