HELPING THE OTHERS REALIZE THE ADVANTAGES OF DAN WESSON SLIDE SERRATION

I noticed in a very collector's book the other day a listing that said the model 12 was generated only in 1970 and 1971--a discrepancy obviously. I am thinking we nevertheless do not have fully correct and reputable facts on Dan Wesson production.CF, happy I used to be able to support locate Lil' Dan a fantastic home!  I'd love to have a 4" barrel