Originally Posted by
MountainDevil54
tc copied a canon breech plug, cva improved it greatly, especially with the blackhorn plug.
And you know what I believe you are wrong there also... Dave designed the first TC speed breech and the AR-15 bolt and seal were the basis of his gas ring idea... Now all of that may have come from a howitzer breech - but the partial twist breech is an old idea...
Last edited by sabotloader; 08-31-2012 at 05:55 PM.