Product Info:

Scientific Anglers Mastery Grand Slam COLD Fly Line - New for 2026!

Mastery Grand Slam Cold Fly Line

With a short, powerful head the Grand Slam cuts through wind and turns over crabs, shrimp, and tarpon toads with ease. We’ve got the line. You just need the fish.

Formulated with Advanced Shooting Technology
Based on our popular Tropical version, now available in a cold weather option for winter
Practice for your next saltwater trip with a line that performs at colder temperature.
Loads rods quickly, cuts through the wind with ease, and turns over big saltwater flies
Short, powerful head for quick casts to moving targets
Braided multifilament core
SA MS GR SLAM COLD WF X F (X = line weight)

SPECIFICATIONS

ITEM NUMBER	LINE WEIGHT	HEAD LENGTH	TOTAL LENGTH	HEAD WEIGHT	GRAIN WEIGHT*
147576	WF-8-F	40.0’ / 12,2m	100.0’ / 30,5m	300gr/19,4g	235gr / 15,2g
147583	WF-9-F	40.0’ / 12,2m	100.0’ / 30,5m	335gr/21,7g	270gr / 17,5g
147590	WF-10-F	40.0’ / 12,2m	100.0’ / 30,5m	405gr/26,2g	320gr / 20,7g
147606	WF-11-F	40.0’ / 12,2m	100.0’ / 30,5m	450gr / 29,2g	365gr / 23.6g
147613	WF-12-F	40.0’ / 12,2m	100.0’ / 30,5m	515gr / 33,3g	435gr / 28,2g

* Grain weight for the first 30′

Product Info:

Scientific Anglers Mastery Grand Slam COLD Fly Line - New for 2026!

Mastery Grand Slam Cold Fly Line

With a short, powerful head the Grand Slam cuts through wind and turns over crabs, shrimp, and tarpon toads with ease. We’ve got the line. You just need the fish.

Formulated with Advanced Shooting Technology
Based on our popular Tropical version, now available in a cold weather option for winter
Practice for your next saltwater trip with a line that performs at colder temperature.
Loads rods quickly, cuts through the wind with ease, and turns over big saltwater flies
Short, powerful head for quick casts to moving targets
Braided multifilament core
SA MS GR SLAM COLD WF X F (X = line weight)

SPECIFICATIONS

ITEM NUMBER	LINE WEIGHT	HEAD LENGTH	TOTAL LENGTH	HEAD WEIGHT	GRAIN WEIGHT*
147576	WF-8-F	40.0’ / 12,2m	100.0’ / 30,5m	300gr/19,4g	235gr / 15,2g
147583	WF-9-F	40.0’ / 12,2m	100.0’ / 30,5m	335gr/21,7g	270gr / 17,5g
147590	WF-10-F	40.0’ / 12,2m	100.0’ / 30,5m	405gr/26,2g	320gr / 20,7g
147606	WF-11-F	40.0’ / 12,2m	100.0’ / 30,5m	450gr / 29,2g	365gr / 23.6g
147613	WF-12-F	40.0’ / 12,2m	100.0’ / 30,5m	515gr / 33,3g	435gr / 28,2g

* Grain weight for the first 30′

Scientific Anglers by Scientific Anglers

Scientific Anglers Mastery Grand Slam COLD Fly Line - New!

Regular price: $79.95
Sale price: $79.95
Regular price

Shipping calculated at checkout.

Questions? Call Us: 941-483-6847

Size:

8 WT (WF8F) 9 WT (WF9F) 10 WT (WF10F) 11 WT (WF11F) Show More Options

Product Variants:

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Quantity:

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Questions? Call Us: 941-483-6847

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