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The King F9 Speedback iron is Cobra's 2019 answer to golfers who want distance and forgiveness without swinging out of their shoes. The 7-iron sits at 28 degrees, which is strong even by game improvement standards, and that number tells you most of what you need to know about how these play. Ball speed and launch come easy. Long, high shots that hold greens are the whole point.
Cobra built these with a cast head and a cavity back, then stretched the lofts and set them up progressively through the set. The long irons are aimed at getting the ball airborne and gone, while the shorter irons pull back a bit for control. If you've been fighting to get a 6-iron up in the air, this is the kind of iron that solves that problem for you.
What you give up is workability and the tight distance gaps that better players obsess over. These aren't blades and they don't try to be. They're built to make an average swing produce a better result, and at that job they're good.
In short
The Cobra King F9 Speedback (2019) is a forgiving game-improvement iron built for consistent distance. The set runs 4-iron to PW with a 28° 7-iron. It carries a $799 MSRP.
Refresh due soon
Brands in this category update about every 2 years, and the King F9 Speedback is 7 years old with no successor yet, so a new model could land any time. Grab it at clearance pricing now, or wait a few weeks to see what replaces it.
Based on release timing and this line's typical refresh cycle, not a live price quote.
Modeled from the $799 original MSRP and a 7-year-old release (about 18% of MSRP retained used).
Used market value
$120 - $160
Private sale, fair to like-new
Trade-in value
$70 - $110
What a shop typically pays
Get an exact quote
Estimate only, from a depreciation model, not a live quote. Search “Cobra King F9 Speedback” on the sites above for the real number, which varies with condition, shaft, and demand.
| 4i | 5i | 6i | 7i | 8i | 9i | PW |
|---|---|---|---|---|---|---|
| 18.5° | 21.0° | 24.5° | 28.0° | 32.0° | 37.0° | 42.0° |
Stock steel shaft. Lofts are approximate and subject to manufacturing tolerances.
Typical carry by swing speed, adjusted for this set's actual lofts. Your numbers will vary with strike, shaft, and conditions.
| Club | Loft | Moderate swing~144y 7-iron | Average swing~159y 7-iron | Faster swing~173y 7-iron |
|---|---|---|---|---|
| 4-iron | 18.5° | 171 y | 189 y | 206 y |
| 5-iron | 21° | 163 y | 180 y | 196 y |
| 6-iron | 24.5° | 154 y | 170 y | 185 y |
| 7-iron | 28° | 144 y | 159 y | 173 y |
| 8-iron | 32° | 134 y | 148 y | 161 y |
| 9-iron | 37° | 123 y | 136 y | 148 y |
| PW | 42° | 113 y | 125 y | 136 y |
Carry distances are modeled from TrackMan-based norms scaled to each club's loft, not measured for this exact model.
The cast construction and cavity back are the foundation here, moving weight low and to the perimeter so off-center hits lose less speed and stay closer to your target. Cobra paired that with a progressive loft setup, so the gaps between clubs shift as you move through the set rather than staying identical. The 4-iron at 18.5 degrees plays almost like a driving iron, the 7-iron at 28 launches high and long, and the wedges climb up to a 42-degree pitching wedge. Those stronger lofts are doing the distance work. A 28-degree 7-iron used to be a 6-iron or even a 5-iron a couple decades ago, and Cobra leans into that by building enough face and sole to help the ball climb even with the delofted setup. Many F9 iron sets also shipped with Cobra Connect grips that pair with the Arccos app, so you can track distances and shot patterns if you want the data.
The Cobra King F9 Speedback's 7-iron is lofted at 28° - moderately strong - slightly stronger than traditional lofts. For a golfer with an 85-95 mph swing speed, this projects to a 7-iron carry of approximately 157-167 yards. The 5-iron (21°) to 7-iron gap of 7° is well-gapped, which may create overlapping distance windows with similarly lofted fairway woods or hybrids. The pitching wedge at 42° is relatively strong - consider a gap wedge of 46-48° to bridge the distance to your sand wedge.
The 28-degree 7-iron is genuinely strong, and it's the reason these hit longer than your old set. The tradeoff is gapping at the bottom of the bag. With a 42-degree pitching wedge, you'll want to check your gap and sand wedge lofts so you don't leave a big hole between your PW and your next wedge. Most players fill it with a 46 or 48 degree gap wedge.
If you're a mid handicapper who wants distance and forgiveness but a slightly more compact look than a full super game improvement iron, these fit. True beginners or players who need maximum help might want something even more oversized. Low handicappers who shape shots will find the strong lofts and cavity back limiting.
Many F9 iron sets shipped with Cobra Connect grips that hold Arccos sensors, which pair with your phone to track distances, shot dispersion, and stats round to round. If you buy used, confirm the grips and sensors are included since not every set on the resale market still has them.
Because the 7-iron is 28 degrees, it will fly noticeably longer than a traditional 34-degree 7-iron, often 10 to 15 yards more depending on your swing speed. Just remember the number on the sole doesn't change the club's actual loft. Judge these by carry distance and launch, not by what's stamped on them.
As a used buy, yes, if the price is right. The technology is several years old now, but the strong progressive lofts and forgiving cavity back still deliver easy distance. You won't get the latest face tech, but for a mid handicapper looking for value, a clean used set can be a smart pickup.
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