My brother has a cil 830 in a 222, if its the same you pull the bolt back as far as it will go to the butt of the gun and then press the trigger to release it the rest of the way . Hope this helps.
Your western field model 830 was made by mossberg for montgomery wards.There model designator was the mossberg model 340K,The value of these guns are between 55-200 dollars.
My resources indicate that your Western Field M830 was made by Mossberg.The Mossberg model 340K and your rifle are the same model.These were made from 1958-1980.
830
It depends on what condition it is in and what kind of model, I found one for $830!
5-100 usd
830
830
50% of 830= 50% * 830= 0.50 * 830= 415
42% of 830= 42% * 830= 0.42 * 830= 348.6
830
30% of 830= 30% * 830= 0.3 * 830= 249
60 percent of 830 dollars = $49860% of $830= 60% * $830= 60%/100% * $830= $498