What does the gold hallmark 14K GLK stand for?

What is an Eastern Arms double barrel 16 gauge gun worth? What is a Revonoc 22 long rifle worth? What is the exact diameters of bullet between 308 and 300 win mag and 338 luppa mag? What is the value of a 1894 Winchester Serial number 468016 built in 1908? Shotgun with shc engraved on it? How much is the bullet drop of a 338 Lapua Magnum? What is the purpose of the Swiss army knife? What is the value of a eddystone rifle? How does a full auto g3 bolt carrier differ from a semi auto g3 bolt carrier? How do you put together a Bambino Reale Crib Model 811CN 59 SN? Can you buy a gun in KY if you live in another state? What is the value of a 1943 browning model 11 a5 mint condition? Who makes King Nitro shotguns? What is the best 1911-A1 pistol? Double barrel 20 gauge revelation value? What is the value of a browning .22 cal. lever action pat.? How do you break down a semi auto Iver Johnson 22 pistol? Is a smith and Wesson knife SW-3000 with the lettering first run production runon the blade have more value? Where to find Remington nylon parts? Where can you find a clip for a Stevens model 62 22LR rifle?