The Bosch company has manufacturing plants across the world. The Bosch RN 175 hot air gun is currently made in the country of India due to the lower cost of manufacturing there.
Most Sporting goods stores carry them. .177 will also fit your air gun.
There are several shops around the country that make a living repairing older air guns. You can do a web search for "Air Gun Repair" or see the link below that list some shops.
A 22 caliber rifle is a firearm and a BB gun is an air gun (Not a firearm) Now if you are asking about a .22 caliber air gun then the difference is in the size of the projectile. A BB is a hard round .175 caliber ball. The .22 caliber is a larger size pellet.
If you want to build your own air gun I suggest you search" You tube" and look for "Home made air guns'
Depends on which gun. Anywhere from $175 to $15,000.
Both Daisy and Crosman air guns made BB guns for Sears. you will have to state the model to get an estimate of the value. Check the model number on the gun, any model that begins with 126 was made by Crosman air gun and any model that begins with 799 was made by Daisy air gun.
Colt makes a 1911-A1 Pellet gun made by Umarex. I know of no BB gun unless you are asking about an Air Soft gun. The Pellet gun is very good. I can not answer about an Air soft gun.
It MUST be made specifically for an air gun.
$175 in 1927
mfg 1959 only. Air Force Rocket Command 100%=$300 90%=$175 60%=$125 Blue book of Air Guns 6th edition
in Canada they sell for $175 at auctions and gun shows.
air soft gun needs air, pellet guns dont 7/7/09: Air Soft guns fire a 6mm plastic BB. It will not due much harm but can sting when they hit you. Pellet guns use ( for the power source one of the following) a spring, C02 cylinder, Pump Action, or compressed air from an air tank (PCP's) They fire a .175 cal BB or .177 Pellet. They also are made in the following calibers. .20, .22, .25, 9mm, 45Cal and 50Cal. These airguns at the higher end are more powerful and can be deadly. They are often used for hunting. Where an Air Soft gun is NOT used for hunting.