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This makes me want to comment the types of action with a vertical pin lockup as the bissel and the german one in this thread http://forums.nitroexpress.com/showflat....;gonew=1#UNREAD

Yeas they are excellent third fasteners visually, but as an lockup the will lack in comparision with a common third fastener.

Does this mean the are vorse, hell no, but they are not as strong as crossbolt for instance, would i want one, hell yeah.

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I think that I should point out that Rigby/Bissel Rising Bites do not rise vertically but at an angle of 12 degrees +- toward the rear of the action. Thus the more the action tends to bend or open the tighter they grip.

Further that as the third bite does not have to rise before the action is fully closed there are tighter clearences in place and more contact possible than for example a dolls head. as the dolls head is discribing an arc into a blind hole and is difficult (very) to achieve a decent fit.

By its nature the Rigby Rising bite is one of the very strongest lockups.



Regards

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