Food for thought: is the luger really a "weak" design?

[DonVoigt]

Originally Posted by Edward Tinker

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tried to read all of the above - I personally have had two breachblock rears blow out, both using 9mm+ ammo - first time was simply that it happened - second time was me using a long barrel luger, 16 inches

both breachblocks were in shooters, but it still happened

Ed,
did they blow out as in break/fail or as in the tab or tab groove wore through and they "came" out?

Did you mean 9mm + P ammo?