If you are talking the wood stock that originally came on the gun, less than $100.00, usually selling around $75. As always depends on condition.
100-400
300-800
300-800
300 m or so
400 USD or so
100-400 USD
Depends on what part of the world you are in, whether it is legal, who made it, the exact model and condition. Range from 300-10000 USD. norinco new mak-90/91
1 in 9.45
Realistically, 400 and 200 respectively. In the current market add a couple of hundred on to the MAK and maybe 150 on the SKS
100-400 or so
300-600 USD