Scientific Anglers Frequency Trout GP Fly Line
The casters line!
$59.95
General Purpose Trout Taper. This line is one quarter size heavy and a fly casters dream. They call this “The Casters Fly Line”.
New for 2026, the Scientific Frequency Trout GP Fly Line– General Purpose Trout Taper. This line is one quarter size heavy and a fly casters dream. They call this “The Casters Fly Line”. Available here in the affordable Frequency series.
The Frequency fly lines from Scientific Anglers represent some of the best values ever offered in “no frills” lines without sacrificing quality. The same tapers as their expensive lines, just without all of the “bells and whistles”.
* Mid-length head for exceptional mending and accuracy at distance
* The casters line
* Braided multifilament core
* 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.
* Features AST coating which improves slickness, durability and casting distance
* The choice for anglers who don’t consistently fish heavy rigs like large streamers or bulky indicators.
* Welded loop at front end
* Available in 3wt- 6wt
* Color is SAGE
SA Frequency Trout GP 3wt WF F
* 30′ Head Weight: 105 grains
* Total Head Weight: 160 grains
* Head Length: 49.5 feet
* Total Length: 85 feet
SA Frequency Trout GP 4wt WF F
* 30′ Head Weight: 125 grains
* Total Head Weight: 185 grains
* Head Length: 49.5 feet
* Total Length: 85 feet
SA Frequency Trout GP 5wt WF F
* 30′ Head Weight: 145 grains
* Total Head Weight: 220 grains
* Head Length: 50.5 feet
* Total Length: 85 feet
SA Frequency Trout GP 6wt WF F
* 30′ Head Weight: 170 grains
* Total Head Weight: 255 grains
* Head Length: 51 feet
* Total Length: 85 feet
1 review for Scientific Anglers Frequency Trout GP Fly Line
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If you need to return an item for any reason
- simply follow the instructions that are provided with each order
- Send us a quick e-mail, [email protected] AND simply drop a note in the return package with the following information: Your name, Order Number, Item(s) and a quick note on reason for returning. These instructions will also be printed on the return/address form. Please note that if it has been longer than 30 days, we will need to contact you to get a credit card number in order to apply the credit. Please make sure that we get a good phone number in that case.
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Peter –
I have to say, on the first cast, I am impressed with the new Trout GP. It is a very energetic line that seems to have really good loop stability. Perhaps slightly “lighter” in action than Rio gold but similar.