There are over a 1000 different model air guns made over the years. You need to be more clear with your question..
Lets start with. The model 342 was a .22 caliber pellet rifle not a .177 cal bb gun. If you want an estimate of value then you will have to give more information as to the condition of the rifle. with out more information it is not possible to answer you.
Cal .177
Who is the manufacture of this BB gun.
.177 BB Cal
If it's not designed for it, DON'T Do it.
Lets see there are over 1000 different model .177 cal BB guns in the world today. It would help if you stated the model number in your question.
I would have to say no because the question is for a .177 cal 'BB' gun. If you intend on hunting with air rifles in the .177 caliber, then you really should use pellets. Pellets provide much greater accuracy and are more humane than a BB.
It all depends on the model. Please state the model to get an answer.
It all depends on the particular model. There are over 100 different models that shoot .177 cal BBs'
First, check to see that you have a BB gun, and not a pellet gun. Both pellets and BBs are made in .177 cal. A pellet gun will not shoot BBs (in most cases) If your gun IS a BB gun, you will need a gunsmith to check it for damage, stuck items in the barrel, etc.
Model 600 .22 cal, C02 pellet gun. Mfg 1960-1970 in Excellent condition, no scratches, no wear. $275. some wear $195. Add 20% for original box.
Any air gun or rifle that uses a .177 Caliber pellet can use the Gamo .177 Red Fire Pellet. No matter who makes the air gun. The Caliber .177 is universal to all .177 caliber pellet guns or rifles.