Originally Posted By: Pete
I heard of one at 16 Thou passing proof.


There may have been a time when that occured, but, it wouldn't happen today. Procedures have changed at the proof house, and each barrel is tested twice, once with a load that develops peak pressure in the chamber, and with a second load that develops peak pressure 9" from the breech. Subjecting guns that weren't produced to handle this level of proof seems like pure folly to me, but, that is the way it is. Many old guns will fail reproof, as it exists today.

Best,
Ted