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proof question

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28 November 2008, 20:56
ACRecurve
proof question
Does a 70 mm nitro proof on a Damascus barreled shotgun mean it is safe with modern 2 3/4" loads? Thanks.


Good hunting,

Andy

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30 November 2008, 11:27
400 Nitro Express
Andy:

We need more information, but generally no. I assume from the information given that the proof is British. If so, 70mm Nitro Proof means that it's safe for the modern 2 3/4" BRITISH load marked on the flats - 3 tons/850 BAR; 3 1/4 tons/1200 BAR, etc. - NOT 2 3/4" American (SAAMI) loads.

What kind of gun is it, and what are the proof marks on the flats?
05 January 2009, 22:46
SWD
Contact the manufacture of the shells your using and if are the same or less pressure then your o/k. Or handload. All the loading manuals give the loads pressure.