All you need to do is pull the trigger keep it pulled then at the same time pull the bolt back hard and it should release
Between 300.00 and 335.00
Just pull the trigger as you pull bolt out.
Open the bolt, pull it to the rear, hold the trigger back and remove the bolt. sales@countrygunsmith.net
Your serial number indicates that your Marlin model 782 was made in the year 1977.
Your marlin model 782 was made by marlin in 1980.You can find this by subtracting the first 2 digits from 100.Hence 100-20=80(1980).
tap lightly with a rod down the barrle.
Open bolt, elevate barrel, pull trigger , catch bolt before it hits the ground
1988
1985
$500 for a good one with a scope
Your serial number indicates that your model 782 rifle was made in the year 1981.
Between 50-75 dollars.