What is value of colt ar-15 a2 sporter 2 model r6500?

What is value of browning medallion a bolt 308 86140nz2m7? What is the value of a 45-70 Winchester model1886 pat oct 14 1884 Jan 20 1885 serial102792? What is U stands for in the serial number of marlin lever action rifle? What shells are used in a Savage arms Stevens 12 gauge model 94? How do you take apart a smith and Wesson 9mm model 908? Where can you get a 25-round clip for a Marlin Model 70? Why does Winchester 1892 have a Model 65 Winchester barrel 218 bee cal? What is the value of a Hawes Western 6 shooter 22 cal made in Western Germany serial no 33579 by JP SauerbeJohn? Will an M-14 magazine work in an AR-10? Who made the Western field shotguns? What is the value of a 1187 Remington shotgun? Where can you find the price of used guns? What is a herters rifle worth? What is meant by recoil in a gun? Is there a mag holder made for a Glock sf-30 10 rd mag? Which one does not need a age requirement to buy BB Guns or airsoft Also which one is safer because I saw a Airsoft Desert Eagle that's cheap but I am not 18. I plan on buying it as my first.? What is a Magtech model 586.2 12 gauge pump worth? What is the value of a 5 chamber 38 Smith and Wesson revolver serial number 426646? What is the value of 22 magnum mossberg model 640ka bolt action rifle? How does 25 rate to a 22 handgun?