What is the pural word for knife?

What is a Harrington and Richardson Side Kick 22 caliber pistol worth? Have a forehand wadsworth british bulldog revolver but dont know the caliber or serial number and would like to know how much it is worth? Can rifle scopes fly unpressurized? What is the age of a Victor Plain American Gun Company single shot shotgun serial 296691? Hi i have a possible 38 caliber pistol and the grips has fw with whatlooks like a union pacific logo its a break away to load could you give me more information about this type of gun? Can gun control work? What is the value of a Raymond weil watch model 9124? Who invented black gun powder? What is the value of a Winchester model 12 16 gauge serial number 410643? What is the value of model 1912 US army issue colt 45 with holster? What is the value of a charter arms undercover 38 special sn799428? What is the name of the most common gun normally used? Is the 223 savage axis rifle a good hunting rifle? Is the Tommy gun and the Thompson the same thing? What is the date of manufacture of a colt 1917 serial number 189558? Could you kill a wild hog with a ar15? Can you drill a reliabilt door for a deadbolt lock? What determines the gauge of a shotgun? Where to buy 16 gauge shotgun shells? What is the value of a Remington Model 700 270 caliber serial 6383952 in great condition?