The remington model 29 was made from 1929-1933.these shotguns run between 175 dollars for a gun in poor condition,200 for fair condition,300 for good condition,350 for a very good condition gun.You may add 40% to the above values if yours is a shotgun with 32in.barrels.If yours has a vent rib barrel add another 25% to the above figures.
No such model in the Remington line.
price of a 710 model Remington rifel..
100-500 or so
100-425 USD
$350.00
$357.99 at walmart plus tax
$530.70
Remington made the model 1100. 200-400 USD.
I will first say that the Remington model 788 was made in 6mm from 1969-1979,at this time they are going for anywhere from 250-450 dollars depending on condition.
Seen this model on Gun Broker.com, asking price was between $575 and $650.
This will depend on the market. Remington is a good brand of gun so you may be able to get a good price for it.
Remington website says brand new retail price is $650.00