lozrob Posted April 16, 2010 Report Share Posted April 16, 2010 i have recently purchased a BAIKAL NX27. over & under. it has double triggers. 28 1/2 barrels , fixed choke which both measure 18.00 mm exactly = 1/2 choke i believe. on the side of the barrels just above the hinge is the numbers, 12-70-900. what do they mean. 12 gauge.? 70mm cartridges.? 900 ---WHATS THIS ???:lol: cheers. Loz. Quote Link to comment Share on other sites More sharing options...
MC Posted April 16, 2010 Report Share Posted April 16, 2010 900 is the proof pressure in Kg/Cm2 Quote Link to comment Share on other sites More sharing options...
Imperfection Posted April 16, 2010 Report Share Posted April 16, 2010 900 is the pressure the barrels are tested to. Quote Link to comment Share on other sites More sharing options...
smig4373 Posted April 16, 2010 Report Share Posted April 16, 2010 900 is the proof pressure in Kg/Cm2 Quote Link to comment Share on other sites More sharing options...
Andy H Posted April 16, 2010 Report Share Posted April 16, 2010 Proof pressure in bar or kg/sq cm Quote Link to comment Share on other sites More sharing options...
Zapp Posted April 17, 2010 Report Share Posted April 17, 2010 Off topic slightly, but the symbols you are reading as "NX" are the cyrillics for I and ZH (pronounced the same as the s in 'pleasure'", meaning your gun is an IZH 27. ZB Quote Link to comment Share on other sites More sharing options...
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