Sure! Baikals are a very rubust and well made shotgun. Might not have the frills and fancy engraving or super high grade wood, but they get the job done just fine.
Yes
You dont, you keep it on.
nowhere
Model 1j27e1c
Baikal guns are being imported by Remington under the 'Spartan' name.
Once it was USSR but now it is Russia.
100-250 USD
Baikal isn't made buy Remington; it just has the name stamped on the side. It is made by baikal of russia
$250-$350
50-300 usd
There is a main dealer in UK and have loads of parts, old and new.
Baikal parts are available thru EAA Corp. Below is a link to their parts store. http://www.eaacorp.com/manuals-parts-diagrams.html