No. PA does not require gun registration- and the SKS is not an assault rifle- it is a semi auto rifle with a fixed magazine.
SKS
50-500 USD depending on specifics
$100 to over $1000, depending on the specifics.
One can purchase an SKS rifle from a variety of locations. These include a good hunting store, a rifle store, and some of the larger supermarkets such as Walmart.
Value of Rifle by Norinco SKS 7.62x39 with and without wood stock?
Around $300- depending on condition and originality
romanian serial number 1841899n sks rifle what year is this rifle
18, just like any other rifle.
The SKS isn't an assault rifle, and the value may range from $100 to over $1000, depending on specifics.
Depending on what shape the gun is in and what part of the world it was made you can expect to pay in the low 200-280 range anything more you are getting ripped off. the sks can be a good buy and can be fitted with a large number mods but it is best to keep it simple.
Plenty available.