What is an heptagun?

Do you need to use airgun oil for your co2 gun? What does JWBR stamped on jewelry mean? Blue book gun value of a beretta model CX4 storm Carbine? What is the value of a Centennial Winchester 30-30 carbine never shot still in box all paper work included? Who invented the m14? What elmentry school did ted Williams go to? How old is winchester rifle serial no2345948? Du meter serial number? When was the Remington pump action rifle 44 40 cal serial No 31705 made? What is a ruger mini 14 223 caliber worth with an original wooden stock and a pep sight? How do you reassemble 22 semi auto rifle? What does ka 1772 stamped on gold mean? What is value of a sears and roebuck model 54 30-30? How do you load and fire a Winchester Model 290 22 caliber rifle? How much is a 44 magnum round? Can you get an stock for a dbl barrel shotgun with hammers made by eclipse? What is value and information on JP sauer Sohn Hammerless 6.35.28 pocket pistol sr13909 with Initials drp 453854? What is the value of a quail hunter 410 double barrel crescent firearm? What is the date of manufacture of a Remington Model 600 in 308 serial number 49944? How do you know if you have lost your gun rights?