Weba 100 rifle is currently worth an average price of $476. 58 new and $412. 70 used. The 12 month average price is $537. 62 new and $495. 88 used. The new value of a 100 rifle has fallen ($246. 00) dollars over the past 12 months to a price of $476. 58. Webjun 12, 2005 · according to bill brophy, the model 100 was made from 1935 to 1959. I think you're getting the model 101 mixed up with the 100, as it did have the ring cocking lever…