In reply to:

---

It occurs to me I have no idea of the types of locking mechs on these. They sometimes say what type, but I am not sure of what they are.

Does anyone have some explanations/pictures of the various types? I assume some are stronger than others, some more economical to make etc.

-Ryan

---

Ryan , I think you will find this website handy!

www.hallowellco.com

Scroll down and click on Abbreviations, definations, & Opinions ! This is a very good sourse of explanation! It doesn't have everything, but will be a big help in understanding the double rifle jargin!