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Scientific Anglers Fly Lines and Fly Line Backing are available at Traditional Angler
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Scientific Anglers Fly Fishing Fly Lines, Fly Fishing Outfits, Fly Fishing Reels, and Fly Fishing Accessories are available at Traditional AnglerMastery Saltwater Bluewater Sinking Fly Lines

SA Mastery Saltwater Bluewater Sinking Fly LineThe Bluewater sinking lines are are designed for offshore fishing for tuna, wahoo, and other pelagic fish.

Sink Rate: 3.5 to 5.0 ips

Employs Saltwater Advanced Shooting Technology (AST) floating, for enhanced casting performance.

Scientific Anglers Ultra 4 Fly Fishing Fly Lines available at Traditional AnglerMastery lines incorporate Scientific Anglers' Advanced Shooting Technology. The unique 'dry-slick' coating enhances every aspect of floating line performance. In just three short years, amazing AST - Advanced Shooting Technology - has redefined fly-line performance. Using a patented coating process, AST is integrated within the line coating to achieve a unique 'dry' slickness that keeps the line permanently slick and continuously clean. Try an AST line just once, and nothing else will do.

The dry slickness of AST prevents dirt and algae from clinging to line, which means line stays cleaner and floats higher for longer intervals. AST isn't just permanently slick - it's lightning slick for the fastest, smoothest shooting of your life. With AST, line shoots through the guides virtually friction-free and keeps on doing it for the life of the line - without the need for dressing. Plus, because the line stays so clean and free of debris with AST, Scientific Anglers lines are significantly less prone to wear and corrosion.

Free Ground Shipping on Scientific Anglers Mastery fly Lines

Free Ground Shipping in the Continental US on all Mastery Fly Lines


Mastery Saltwater Bluewater Sinking Fly Lines

  • SA Mastery Saltwater Bluewater Sinking Fly LineSpecially developed to address the demands of offshore fishing

  • Excellent for tuna, wahoo, and other pelagic fish # Ideal for large tandem-hook flies

SINK RATE: 3.5-5.0 ips



  • Core and small diameter work together to extend casting range and increase accuracy

  • Short head and powerful front taper allow quicker casts with large offshore saltwater flies

  • Short-head design minimizes false casting

  • Larger tip diameter provides extra turnover power for delivering large flies

  • Small diameter reduces water resistance and minimizes break-offs during those frantic first runs

  • Advanced taper improves performance in the wind

  • Dark green color is the ideal choice for wary fish

CORE: Stiffer braided monofilament nylon, built with 3M Tropi-Core technology, for reduced tangling, better shooting, and superior overall performance in warmer saltwater environments



  • Specially formulated 3M saltwater PVC integrated with powdered tungsten, special internal lubricant, and advanced ultra-violet inhibitors

  • 3M Tropic-Core technology for superior performance in warmer saltwater environments

COLOR: Dark Green




SA Mastery Saltwater Bluewater Sinking Fly Line Profile

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Revised: 12/04/05.