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Scientific Anglers Mastery Trout GP freshwater nymph fly line

Scientific Anglers Mastery Trout GP taper diagram showing running line, rear taper, belly and front taper with lengths and line colors.

Scientific Anglers Mastery Trout GP specification table listing item numbers, line weights, head and total lengths, and weights.

Scientific Anglers Mastery Trout GP

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ONE QUARTER HEAVY LINE

Utilizing the tapered belly from Infinity, Trout GP has a slightly longer front and rear taper and ¼ size heavy weight scheme. Compared to Infinity, Trout GP leans more finesse but is still a capable general purpose trout line.

General purpose trout line with finesse
The choice for anglers who don’t consistently fish heavy rigs like large streamers or bulky indicators.
Braided multifilament core

APPLICATIONS: Cold & Medium Temps, Dries, Nymphs, Small Streamers, Poppers/Big Dries, Indicator

Key Features

SA Line ID
AST
Welded Loops

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Scientific Anglers Mastery Trout GP

Not sure what matches this item?Click “Check Compatibility” below.

ONE QUARTER HEAVY LINE

Key Features

Built from the specifications of your selected option and validated by Stillwater Fly Shop staff.

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Scientific Anglers Mastery Trout GP

Not sure what matches this item?
Click “Check Compatibility” below.