OK so I found a smart friend of mine who helped me understand
The second set of LCS barrels added to this older LCS Roller Check Joint gun work like this. I never would have thought of this myself. The cocking rods that cock the hammers when the gun is opened ALSO stop the downward rotation of the barrels. Inside the metal work of the second set of barrels forend is the figure 8 looking cut out where the cocking rods are actuated. After you fire this type of LCS the tips of the cocking rods are in the down position. When you open the gun the tips of the cocking rods are raised up which cocks the hammers. The cocking rods and hammers and leaf springs have a little room for over travel after the hammers are cocked. Now the tips of the cocking rods are in the top or up position against the metal of the forend and those tips, inside the forend, stop the rotation of the barrels. I am sure glad that I know some smart gunsmiths that can explain these things to me. By the way my gunsmith friend commented that the original RCJ was and is a much much better system for two big reasons. I will not get into those here and now. Good Shooting To You All, Jent ...... posted on March 17th of 2021.
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