Best left to a gunsmith
You can assemable same as a Remington 870. Several videos are on Youtube.com that show how to do this.
100-500 USD
good gun i have one.they were made from 1984 to 1987 and are valued at aroud 175-300$ depending on the value
The Remington Model 12 Sportsman came in semi-auto or pump configurations, and were made from 1984-1986 (vintage?). The auto is booked at $300 in 100% condition and $150 in 60%. The pump from $275 to 140. (Add 10% if it has Rem-chokes).
@ 1956
it depends on the year, and condition,of the gun!
Many of the rifles are valued in price close to $400. The amount will vary depending upon where you get the rifle from.Ê
my balls
if its water cooled it has a water pump!
Best to take it to a gunsmith and ask for help.
If it shoots, $75-$450 depending on condition.
Your remington was made in 1928.