Andra Posted August 16, 2016 Report Share Posted August 16, 2016 Spanish unbranded sxs. What does the following choke markings equate to? 17.1 / 18.3 and 17.8 / 18.3 Thanks in advance Quote Link to comment Share on other sites More sharing options...
dodeer Posted August 16, 2016 Report Share Posted August 16, 2016 That's the bore size Spanish chokes are normally done with * markings Quote Link to comment Share on other sites More sharing options...
Andra Posted August 16, 2016 Author Report Share Posted August 16, 2016 Does not seem to be any stars. It says on each barrel "choke" then those specific figures. Quote Link to comment Share on other sites More sharing options...
bluesj Posted August 16, 2016 Report Share Posted August 16, 2016 (edited) The 18.3 is the bore size and the 17.1 and 17.8 are the choke size. 17.1 is 1.2mm smaller so full choke and the other is about 1/4 choke Sorry should be 1/2 choke not 1/4 Edited August 16, 2016 by bluesj Quote Link to comment Share on other sites More sharing options...
Andra Posted August 16, 2016 Author Report Share Posted August 16, 2016 The 18.3 is the bore size and the 17.1 and 17.8 are the choke size. 17.1 is 1.2mm smaller so full choke and the other is about 1/4 choke Sorry should be 1/2 choke not 1/4 Thanks much appreciated. Quote Link to comment Share on other sites More sharing options...
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