Do W-9's expire

What type of gun is the Kar 98k? The EALS disassembly process? What is the age and value of a Smith and Wesson model 60-1 with adjustable sights serial number ALU4017? How do you zero a 4x32 beeman scope? Just bought a wards western field 16 gauge double barrel model 50-sd134a it has a 5100 on the bottom any way to tell how old it is? How do toy guns make kids violent? What is a bullpup rifle? Where can one purchase a Gamo air rifle? When was it made sears 410 model 1011120? What is hr 22 pistol model 929 value? What is the manufacture date of a Remington Model 12C serial number RW 49150? Can you shoot 30 caliber carbine ammo in a Winchester model 94 30 wcf? What does the below represent HOROBOD? How much is a waltham pocket watch worth with serial number 9521774 Not sure what the case is made of but it has Patn 1888 and a number 814967 written on it? What is the value of a Russian M44 rifle? Can a single-shot 12 gauge harrington richardson shoot a slug through it? What can you hunt with a 357 rifle? What is a baikal izh-27em-1c worth? When was the first pistol made? Why is a rifle called a bondook?