user manual can be downloaded here: http://safemanuals.com/user-guide-instructions-owner-manual/PHOENIX%20GOLD/M44-_E
Yes. Mosin Nagant makes a rifle that is around 40" long and has a folding bayonet. It is called a M44
200
yes
$100-200
The BMW M44 engine uses a chain to drive the two overhead camshafts. You can see a good illustration at http://www.realoem.com.
Yes
They can be sold for 69.00 and up. up to 100.00
It has a M43B18 engine from 1993-1998
Mossberg made all their rifles in the USA.
try calling your local store
50-500 USD or so
http://www.nextag.com/mosin-nagant-scope-mounts/search-html