crisis500 Posted January 26, 2008 Report Share Posted January 26, 2008 i recently bought a sidelock Armas Bisonte to add to my collection. I'm having problems trying to work out what level its been nitro proofed too. I have visited the BASC website but i cant really make any sense of it. It has the following markings: 1450 Gmo 12-70 850 Kss the choke on the first barrel is 17.1-18.6 the second barrel says 17.7-18.6. Does any one know what the above info translates into so i know what shells i can use? Also if anyone can tell me what the chokes are that would be really usefull. Quote Link to comment Share on other sites More sharing options...
crisis500 Posted January 26, 2008 Author Report Share Posted January 26, 2008 i recently bought a sidelock Armas Bisonte to add to my collection. I'm having problems trying to work out what level its been nitro proofed too. I have visited the BASC website but i cant really make any sense of it. It has the following markings: 1450 Gmo 12-70 850 Kss the choke on the first barrel is 17.1-18.6 the second barrel says 17.7-18.6. Does any one know what the above info translates into so i know what shells i can use? Also if anyone can tell me what the chokes are that would be really usefull. i have worked out that as it has a BP stamp on it dates back between 1925 t0 1954 and is proofed to 1 1/8 Ounces which works out to 32 grams. if any one can let me know about the quotes tho that would be most usefull. Quote Link to comment Share on other sites More sharing options...
crisis500 Posted January 26, 2008 Author Report Share Posted January 26, 2008 i recently bought a sidelock Armas Bisonte to add to my collection. I'm having problems trying to work out what level its been nitro proofed too. I have visited the BASC website but i cant really make any sense of it. It has the following markings: 1450 Gmo 12-70 850 Kss the choke on the first barrel is 17.1-18.6 the second barrel says 17.7-18.6. Does any one know what the above info translates into so i know what shells i can use? Also if anyone can tell me what the chokes are that would be really usefull. i have worked out that as it has a BP stamp on it dates back between 1925 t0 1954 and is proofed to 1 1/8 Ounces which works out to 32 grams. if any one can let me know about the quotes tho that would be most usefull. sorry quotes meaning chokes Quote Link to comment Share on other sites More sharing options...
polski Posted January 28, 2008 Report Share Posted January 28, 2008 Recently bought the same model myself but couldn't find any information about the maker. If you google spanish proof marks there is quite a bit of information there. Rick. Quote Link to comment Share on other sites More sharing options...
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