Today Crosman air gun co, Owns Sheridan. Crosman offers a free service to locate shops that repair older Crosman, Sheridan and Benjamin air guns. See the link below.
It depends on the model, but usually it is right on the barrel or the receiver. If it is really old it may not have a serial number. For a time Benjamin and Sheridan did not serialise their rifles.
Model numbers from 025651 to 060550 were made in 1973. Your Sheridan rifle is 40 years old.
You have given me all the information except the model. Sheridan has several different models at different prices
Any where from $20 to around $150 for a BB model. However a Pellet model can cost up to $3.000 for an Olympic class Pellet rifle.
They started to make this rifle in 1949 and stopped in 1990 ( sheridan sliverstreak model ) During the 1990's the name changed to C9 sliverstreak and C9 bluestreak.
What is the age of a Sheridan c series 5mm 20cal rifle serial number 370862
What model. Its still in production.
It all depends on age, use, and condition of the rifle. Is it in Poor, Fair, Good, Very good or Excellent condition. Sheridan made 4 different model C series. The C Silver Streak, C9 Silver Streak, CB9 Blue Streak, and C9BP. Which one are you asking about?
This is a .177 pellet rifle.
I believe you are asking about a Sheridan .20 cal (5mm) air rifle. They started to make this rifle in 1949 and stopped in 1990 ( sheridan sliverstreak model ) During the 1990's the name changed to C9 sliverstreak and C9 bluestreak. The value is determined by the current condition of the rifle. You did not give any such information , therefor I can not answer you.
It was made in 1975. (Today Crosman owns Sheridan.) See the link below and then scroll down to "Sheridan"
Around $100 in good condition.