About 1000 fps for a pre-charged pneumatic, such as the Evanix.
Beeman makes the single pump pneumatic .177 pellet pistol called a P3 there are several variations of this German pistol like the "Marksman 2004" made in China and a few other less valuable and less quality.
What model what is the sears code and model JC Higgins was a Sears & roebuck brand name They sold guns with this name brand from 1946 to to 1962 depending on the sears code it was made some were in that time period .With out the Sears code no. there is no way to determine value
Crosman air guns owns both Benjamin and Sheridan air guns. They offer a service to locate repair shops that work on out of warranty airguns. See the link below. Any JC Higgins airgun that begins with 126 was made by Crosman
Which model. If the model number starts with 126 it was made by Crosman if it starts with 799 it was made by Daisy.
If I am right the pistol was made by By Crosman for Sears under the JC Higgins name. It's a Crosman model 600. 22 Cal C02 pistol. Made between 1960 and 1970. Value is determined by the current condition. Without more information about the working and current condition it is not possible to set a value.
When you say "Gun" do you mean Pistol or both Pistol and Rifle? The highest quality pellet guns are Olympic class Pre-Charged Pneumatic match pistols. (PCP's). An example would be a Feinwerkbau P44 Match Air Pistol. The cost for this pistol is $1765.95. The very best Match rifle is the Feinwerkbau 800 PCP Air Rifle at a cost of $3245.95. The support system to charge the rifle or the pistol will cost anywhere between $300 to $1,000. However is you want something a little less but Excellent, then there is a very large selection of pellet guns available that will cost you anywhere between $300 to $600.
A pellet gun is not adequate for protection, and will get you arrested.
If you are asking about the Crosman C02 pellet pistol then Yes that is what it is designed to power the pistol.
The 15XT is a BB pistol, like the name says. It is not a Pellet pistol. If you can't force is back into the BB holding slide then you might as well buy a new pistol. You will need a .177 caliber cleaning rod and use it to push the pellet back into the BB loading port
shoot a lighter pellet.
A pellet clip is the same as a bullet clip except for pellets. It fits in the breech of a pistol or rifle and holds the pellets that are waiting to be fired. Some clips are in the handle of the pistol.