Crosman and Daisy made airguns for Sears under the JC Higgins name. This model is really a Crosman model 180. Crosman offers a service to locate repair parts and people who repair older models that are out of service. See the link below and click on "find a service center" at the bottom of the Crosman web page when it opens up.
Which model. If the model number starts with 126 it was made by Crosman if it starts with 799 it was made by Daisy.
You can find it on the Crosman web page. The JC Higgins model 180 was made by Crosman Air guns. See the link below
If it is a JC Higgins pellet rifle it was made by Crosman or Daisy air guns. If the model number starts with 126 it was made by Crosman. (www.corsman .com) Crosman has all their manuals for parts on the web page. If the model number starts with 799 it was made by Daisy (www.daisy.com) you will have to contact them to get your information.
The colors of pellets are not especially important. If you bring a pellet to the Onion of the same color, it will release a number of Pikmin seeds a bit larger than the number shown on the pellet. If you bring a pellet to an Onion that is not the same color, you will simply get a number of the corresponding Pikmin equal to the number on the pellet.
It would help if you stated the model of the pellet gun you need parts for. I can tell you this much. Both Daisy and Crosman made pellet guns for Sears under the JC Higgins brand name. If you want to try to locate a repair shop that restores old pellet guns I suggest to look on the web under "Air Gun Repair." and locate someone who repairs older pellet guns. Or you can re-post your question with the model number it will start with one of two sets of numbers like 799 or 126. This will identify it as either a Daisy or a Crosman air gun. Crosman offers a locater service to repair older guns. (If yours is a Crosman.) It's up to you how you want to find parts.
Check "Blue Book of AirGuns 7th edition" Both Daisy and Crosman made Airguns under the J C Higgins name for Sears.
Impossible to answer.
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JC Higgins sold over 50 different BB and pellet guns/rifles over the years. They were made by Crosman and Daisy. You need to give more information like the model number in order to identify the air gun.
It was probably made for Sears by one on the major pellet gun manufacturers in business in the thirties. Use a search engine for pellet 'gun repair' or 'air gun repair' and talk to those folks. They should be able to tell you what you have. You may have to show them pictures if you are able. berto
The dome pellet is considered to be the universal pellet.
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