Quote Originally Posted by A square 10 View Post
, the latter is the shorter but also is missing the auxilery ring at the butstock end ,
Do you have a source for this data? Manual? Research document?
Sounds like a reasonable explanation but I have never seen it in print.

Gary
Information
Warning: This is a relatively older thread
This discussion is older than 360 days. Some information contained in it may no longer be current.