mjhono Posted July 8, 2006 Report Share Posted July 8, 2006 I have a Browning A5 barrel, choke is given on it as 17.6 over18.2 any idea what this is? ie full half etc Quote Link to comment Share on other sites More sharing options...
Graham M Posted July 8, 2006 Report Share Posted July 8, 2006 .729 is the nominal size of the bore which is 18.4mm, so 18.2mm is 0.2mm tighter. 17.6 gives 0.6mm constriction (@25thou) 5/8ths choke. G.M. Quote Link to comment Share on other sites More sharing options...
mjhono Posted July 8, 2006 Author Report Share Posted July 8, 2006 .729 is the nominal size of the bore which is 18.4mm, so 18.2mm is 0.2mm tighter.17.6 gives 0.6mm constriction (@25thou) 5/8ths choke. G.M. Thanks Graham Quote Link to comment Share on other sites More sharing options...
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