MC-38 4wt Fly Line
Description
A happy medium between more aggressive weight forward lines and lengthier tapers meant for long casts, the 4wt MC-38 fly line is our go-to for light nymphs, dry flies and longer casts in medium waters. This line is a half-size heavy: the first 30 ft of taper weighs in at 130 grains (8.39 grams) while the remaining eight feet of taper tacks on additional weight for even more power. You’ll have no problem loading your rod for a beautiful, classic cast. Features welded loops at both ends for easy attachment to backing and leader.
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| Fly Line | MC-30 Fly Line | MC-38 Fly Line | MC-40 Fly Line |
| Available Sizes | 4wt - 10wt | 4wt - 9wt | 4wt - 9wt |
| Taper | Taper Contained in First 30 ft | Taper Contained in First 38 ft | Taper Contained in First 40 ft |
| Physical Weight | --- | --- | --- |
| 4wt | 149.0 grains / 9.70 grams | 130.0 grains / 8.39 grams | 120 grains / 9.00 grams |
| 5wt | 173.0 grains / 11.20 grams | 150.0 grains / 10.0 grams | 140.0 grains / 9.0 grams |
| 6wt | 189.0 grains / 12.30 grams | 171.0 grains / 11.10 grams | 163.0 grains / 10.5 grams |
| 7wt | 224.0 grains / 14.50 grams | 188.0 grains / 12.2 grams | 182.0 grains / 11.8 grams |
| 8wt | 245.0 grains / 15.80 grams | 222.0 grains / 14.4 grams | 204.0 grains / 13.2 grams |
| 9wt | 306.5 grains / 19.80 grams | 306.5 grains / 19.8 grams | 235.5 grains / 15.2 grams |
| 10wt | 362.5 grains / 23.50 grams | Not available in 10wt | Not Available in 10wt |
| Our Favorite Uses | Large nymphs & roll casting | Light nymphs or dry flies; Long casts in med/big waters | Long distance casting, windy conditions |
Montana Casting Co. Fly Lines
Each Montana Casting Company fly fishing line is designed to company founder Scott Joyner’s specifications to take full advantage of your rod’s dynamic power curve. Wind, rain, snow or shine, these lines are precision-engineered and Montana-tested for accurate casting with minimal effort.
Useful Fly Fishing Knots for Attaching Your Fly Line
How to Tie a Perfection Loop
Scott shows you how to tie one of the easier fly fishing knots, the perfection loop. This knot can be used to attach a leader to the end of a fly line that has a welded loop on it. Watch a video demonstrating the Perfection Loop.
How to Tie a Nail Knot
Scott demonstrates using a nail knot tool to attach a length of butt section to a fly line. Watch our Nail Knot Video on YouTube.