{"id":9103307571433,"title":"SA Mastery Trout GP Fly Line","handle":"new-sa-mastery-trout-gp-fly-line","description":"\u003cp\u003eThe Mastery Trout GP uses the tapered belly from SA's Infinity, with slightly longer front and rear tapers and a quarter-size-heavy weight. Compared with the Infinity it leans toward finesse, and it is still a capable general-purpose trout line.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eQuarter-size-heavy weight\u003c\/li\u003e\n \u003cli\u003eTapered belly from the Infinity with slightly longer front and rear tapers\u003c\/li\u003e\n \u003cli\u003eLeans toward finesse while staying a general-purpose trout line\u003c\/li\u003e\n \u003cli\u003eFor anglers who don't often fish large streamers or bulky indicators\u003c\/li\u003e\n \u003cli\u003eBraided multifilament core\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eTaper:\u003c\/strong\u003e Weight forward, quarter-size heavy\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDensity:\u003c\/strong\u003e Floating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Butter\/Sage\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWF3:\u003c\/strong\u003e 49.5' head, 90' total, 160 gr head weight, 105 gr in the first 30'\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWF4:\u003c\/strong\u003e 49.5' head, 90' total, 185 gr head weight, 125 gr in the first 30'\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWF5:\u003c\/strong\u003e 50.5' head, 90' total, 220 gr head weight, 145 gr in the first 30'\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWF6:\u003c\/strong\u003e 51' head, 90' total, 255 gr head weight, 170 gr in the first 30'\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCore:\u003c\/strong\u003e Braided multifilament\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Scientific Anglers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShop note:\u003c\/strong\u003e We suggest it for dry flies and light nymph rigs on medium-action trout rods. We'd pick a heavier taper if you fish big streamers or large indicators most days.\u003c\/p\u003e","published_at":"2025-11-04T13:15:28-05:00","created_at":"2025-11-04T13:09:58-05:00","vendor":"Scientific Anglers","type":"Fly Lines","tags":["Application_Dry Flies","Fly Line","Line Brand_Scientific Anglers","Line By Species_Bass","Line By Species_Pike \u0026 Musky","Line By Species_Salmon","Line By Species_Steelhead","Line By Species_Trout","Line Weight_2 wt","Line Weight_3 wt","Line Weight_4 wt","Line Weight_5 wt","Line Weight_6 wt","Line Weight_7 wt","Line_Freshwater","Sink Rate_Floating"],"price":7995,"price_min":7995,"price_max":7995,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":49321251143913,"title":"WF3F","option1":"WF3F","option2":null,"option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"SA Mastery Trout GP Fly Line - WF3F","public_title":"WF3F","options":["WF3F"],"price":7995,"weight":0,"compare_at_price":null,"inventory_quantity":1,"inventory_management":"shopify","inventory_policy":"continue","barcode":"840309147170","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":49321251176681,"title":"WF4F","option1":"WF4F","option2":null,"option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"SA Mastery Trout GP Fly Line - WF4F","public_title":"WF4F","options":["WF4F"],"price":7995,"weight":0,"compare_at_price":null,"inventory_quantity":2,"inventory_management":"shopify","inventory_policy":"continue","barcode":"840309147187","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":49321251209449,"title":"WF5F","option1":"WF5F","option2":null,"option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"SA Mastery Trout GP Fly Line - WF5F","public_title":"WF5F","options":["WF5F"],"price":7995,"weight":0,"compare_at_price":null,"inventory_quantity":3,"inventory_management":"shopify","inventory_policy":"continue","barcode":"840309147194","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":49321251242217,"title":"WF6F","option1":"WF6F","option2":null,"option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"SA Mastery Trout GP Fly Line - WF6F","public_title":"WF6F","options":["WF6F"],"price":7995,"weight":0,"compare_at_price":null,"inventory_quantity":1,"inventory_management":"shopify","inventory_policy":"continue","barcode":"840309147200","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/mossycreekflyfishing.com\/cdn\/shop\/files\/scientific-anglers-mastery-trout-gp-fly-line-box.jpg?v=1792826254","\/\/mossycreekflyfishing.com\/cdn\/shop\/files\/taper-diagram-for-the-sa-mastery-trout-gp-fly-line.jpg?v=1792826155","\/\/mossycreekflyfishing.com\/cdn\/shop\/files\/coil-of-sa-mastery-trout-gp-fly-line-in-butter-and-sage.jpg?v=1792826155"],"featured_image":"\/\/mossycreekflyfishing.com\/cdn\/shop\/files\/scientific-anglers-mastery-trout-gp-fly-line-box.jpg?v=1792826254","options":["Size"],"media":[{"alt":"Scientific Anglers Mastery Trout GP fly line box","id":38242200715497,"position":1,"preview_image":{"aspect_ratio":1.0,"height":700,"width":700,"src":"\/\/mossycreekflyfishing.com\/cdn\/shop\/files\/scientific-anglers-mastery-trout-gp-fly-line-box.jpg?v=1792826254"},"aspect_ratio":1.0,"height":700,"media_type":"image","src":"\/\/mossycreekflyfishing.com\/cdn\/shop\/files\/scientific-anglers-mastery-trout-gp-fly-line-box.jpg?v=1792826254","width":700},{"alt":"Taper diagram for the SA Mastery Trout GP fly line","id":46485709979881,"position":2,"preview_image":{"aspect_ratio":2.667,"height":375,"width":1000,"src":"\/\/mossycreekflyfishing.com\/cdn\/shop\/files\/taper-diagram-for-the-sa-mastery-trout-gp-fly-line.jpg?v=1792826155"},"aspect_ratio":2.667,"height":375,"media_type":"image","src":"\/\/mossycreekflyfishing.com\/cdn\/shop\/files\/taper-diagram-for-the-sa-mastery-trout-gp-fly-line.jpg?v=1792826155","width":1000},{"alt":"Coil of SA Mastery Trout GP fly line in butter and sage","id":46485710012649,"position":3,"preview_image":{"aspect_ratio":1.0,"height":900,"width":900,"src":"\/\/mossycreekflyfishing.com\/cdn\/shop\/files\/coil-of-sa-mastery-trout-gp-fly-line-in-butter-and-sage.jpg?v=1792826155"},"aspect_ratio":1.0,"height":900,"media_type":"image","src":"\/\/mossycreekflyfishing.com\/cdn\/shop\/files\/coil-of-sa-mastery-trout-gp-fly-line-in-butter-and-sage.jpg?v=1792826155","width":900}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eThe Mastery Trout GP uses the tapered belly from SA's Infinity, with slightly longer front and rear tapers and a quarter-size-heavy weight. Compared with the Infinity it leans toward finesse, and it is still a capable general-purpose trout line.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eQuarter-size-heavy weight\u003c\/li\u003e\n \u003cli\u003eTapered belly from the Infinity with slightly longer front and rear tapers\u003c\/li\u003e\n \u003cli\u003eLeans toward finesse while staying a general-purpose trout line\u003c\/li\u003e\n \u003cli\u003eFor anglers who don't often fish large streamers or bulky indicators\u003c\/li\u003e\n \u003cli\u003eBraided multifilament core\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eTaper:\u003c\/strong\u003e Weight forward, quarter-size heavy\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDensity:\u003c\/strong\u003e Floating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Butter\/Sage\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWF3:\u003c\/strong\u003e 49.5' head, 90' total, 160 gr head weight, 105 gr in the first 30'\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWF4:\u003c\/strong\u003e 49.5' head, 90' total, 185 gr head weight, 125 gr in the first 30'\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWF5:\u003c\/strong\u003e 50.5' head, 90' total, 220 gr head weight, 145 gr in the first 30'\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWF6:\u003c\/strong\u003e 51' head, 90' total, 255 gr head weight, 170 gr in the first 30'\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCore:\u003c\/strong\u003e Braided multifilament\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Scientific Anglers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShop note:\u003c\/strong\u003e We suggest it for dry flies and light nymph rigs on medium-action trout rods. We'd pick a heavier taper if you fish big streamers or large indicators most days.\u003c\/p\u003e"}


