Your colt frontier scout K model was made in 1961.
550.00 in good contion
The HAHN 45 was bought out by Crosman and made between 1958 and 70 it became the model "Frontier 36" in 1970 - 1975. You will need to state the condition of the pistol to get an estimate of value.
The Crosman Model 120 is a single shot .22 Caliber pump action Rifle made between 1952-54. In excellent shap it would be worth between $95 - $120
I can find no record of Crosman ever making a model 3101 but they did make a model 3100 from 1987-90 See the link below for the full list of old Crosman models
Your Colt frontier .22 K model was made near the end of 1963 as the year 1964 started with serial number 19724
These guns were notorious leakers. Today Crosman owns the Hahn 45 model air pistol. Crosman offers a free service to locate shops that repair o0lder Crosman models including the hahn 45. See the link below It's also known as the Crosman model 36 frontier.
Q Model - 1960; K Model - 1961; The serial number must have a Q or K at the end.
$55 TO $75
I assume you are asking about the Crosman model 36 Frontier. If this is the right pistol then please state the condition of the pistol to get an estimate of value. Is it in Poor, Fair, Good, Vary Good or Excellent condition?
there are over 100 different model Crosman airguns. You need to specify the model and the condition of the Crosman you want to know about
What is your Question? Are you asking about a CROSMAN model 120 price or problem? Please re-post