Go to Remington.com and request a manaual.
It will vary with caliber.
$500-$600
remington 725 caliber 222 bolt action excellant condition
Are you sure of the model number?
Model 581.
100-500 USD
$400.00
What Model 51 pistol or a rifle and what model?
Available from the Remington Custom shop- Model 7.
Probably a Remington Model 12 -? depends on barrel, ammo made in 1914.
Model ? Condition, condition, and condition ????
100-500