How do you tell how old is your Remington 740?

What year is 89BGR kimber rifle sa4594? What is the difference in a 22 pistol and a 380 pistol? Where can I get blueprints of Stevens 12 gauge shotgun? What is the date of manufacture of browning cynergy serial number 22771MT132? Mosin nagant m44? Shotgun with shc engraved on it? How many rounds does the jc Higgins 583.4 hold? What price for BSA Meteor air rifle tune up? Billerica 12 Ga Double Barrel Shotgun What is the prce of one in good condition? When was my sti steelmaster serial 11758 made? Can a convicted felon carry a replica firearm? Is 1642 f7 a browning number? Where are Cutco knives manufactured? What is a special steel browning 12 Ga? Who made a gun which barrel is marked for 38 Smith and Wesson ctgs side of barrel has Secret Service Special barrel is 3 inch has patent date of May 22 1917 model number 36602 and is 5 shot cylinder? What is the Value of your Smith and Wesson 32 long Identifying features are H95076 on the butt and 717x1 on the inside when dropping cylinder? What is the value of a pair of Colt Deringers Limited Edition in a fake book with 1836-1960 written on it? What is the value of a 9-shot 22 cal Harrington and Richardson pistol ser number AF51821? What is the age and value of an Ithaca 12 gauge side by side shotgun serial number 98829? What is a Remington model 14?

How do you tell how old is your Remington 740?