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The King F7 was Cobra's 2017 game improvement iron, and its headline feature had nothing to do with the head itself. Every set shipped with Cobra Connect, the Arccos sensors built into the grips, so every shot you hit got tracked automatically through your phone. That was genuinely new at the time. Most people bought these to play better, and Cobra bet you'd also want to know exactly how far your 7-iron actually flies.
The iron underneath the tech is a cast, cavity back design built to help mid and higher handicappers get the ball up and forgive misses. The 7-iron sits at 29 degrees, which is strong for the era but normal for the game improvement category. Cobra used progressive lofts across the set, so the long irons are built for distance and launch while the short irons stay a touch weaker for control and stopping power.
This is a forgiving iron that leans into distance without pretending to be a player's club. If you want thin, workable blades, look elsewhere. If you want a set that flattens out your bad swings and tells you what you're doing along the way, the F7 still holds up years later.
In short
The Cobra King F7 (2017) is a forgiving game-improvement iron built for consistent distance. The set runs 4-iron to PW with a 29° 7-iron. It carries a $799 MSRP.
Last-gen value buy
The newer King F8 (2018) is already out, so the King F7 now sells at closeout pricing. If you do not need the very latest tech, this is the smart-money pick.
Based on release timing and this line's typical refresh cycle, not a live price quote.
Modeled from the $799 original MSRP and a 9-year-old release (about 14% of MSRP retained used).
Used market value
$95 - $125
Private sale, fair to like-new
Trade-in value
$55 - $90
What a shop typically pays
Get an exact quote
Estimate only, from a depreciation model, not a live quote. Search “Cobra King F7” on the sites above for the real number, which varies with condition, shaft, and demand.
The King F7 is the 1st of 2 generations Cobra has released in this line, from the King F7 (2017) to the King F8 (2018). It is where the line started. The King F8 (2018) replaced it.
| 4i | 5i | 6i | 7i | 8i | 9i | PW |
|---|---|---|---|---|---|---|
| 19.5° | 22.0° | 25.0° | 29.0° | 33.0° | 38.0° | 43.0° |
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~142y 7-iron | Average swing~157y 7-iron | Faster swing~171y 7-iron |
|---|---|---|---|---|
| 4-iron | 19.5° | 168 y | 186 y | 203 y |
| 5-iron | 22° | 161 y | 178 y | 194 y |
| 6-iron | 25° | 152 y | 168 y | 183 y |
| 7-iron | 29° | 142 y | 157 y | 171 y |
| 8-iron | 33° | 132 y | 146 y | 159 y |
| 9-iron | 38° | 121 y | 134 y | 146 y |
| PW | 43° | 111 y | 123 y | 134 y |
Carry distances are modeled from TrackMan-based norms scaled to each club's loft, not measured for this exact model.
The head is cast from stainless steel with a cavity back and a fairly wide sole, the standard recipe for getting the center of gravity low and pushing forgiveness toward the edges of the face. Cobra ran progressive lofts through the set, which is why the 4-iron at 19.5 degrees is built to launch and run while the pitching wedge at 43 degrees stays under control for scoring. The part that set the F7 apart is Cobra Connect. Arccos sensors sit in the butt of every grip and pair with your phone to log distances, dispersion, and strokes gained without you pressing a button. Combined with the progressive design, the set is aimed at a golfer who wants easy launch and real data about where the ball is going.
The Cobra King F7's 7-iron is lofted at 29° - 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 154-164 yards. The 5-iron (22°) 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 43° provides a conventional loft window that pairs cleanly with a 50-52° gap wedge.
Arccos sensors are built into the grips of every club in the set. They pair with the free Cobra Connect app on your phone, and the app logs each shot automatically using GPS and your swing sound. You get automatic distance data, dispersion, and strokes gained without tapping anything mid-round. The sensors are removable if you ever want to move them to another club.
The 7-iron is 29 degrees, which is strong compared to older sets but right in line with game improvement irons from 2017. The lofts are progressive, so long irons are built for distance and short irons stay weaker for control. If you're coming from a traditional set, expect the F7 to fly a bit longer per club number, so gap your wedges accordingly.
Yes. The cast cavity back, wide sole, and low center of gravity are all built to launch the ball easily and hold on to distance on off-center strikes. This is one of Cobra's more forgiving irons from that period, and it suits players who want the club to do some of the work.
Cobra made a One Length version of the F7 where every iron is built to the length of a 7-iron, made popular by Bryson DeChambeau. The standard King F7 covered here uses conventional variable lengths, with each iron progressively longer as the loft decreases. Same head technology and Cobra Connect, different length philosophy.
For the right player, it holds up well. The forgiveness and launch are still solid for mid and high handicappers, and you can often find sets cheap on the used market. Just confirm whether the Arccos sensors and app support are still included, since that was a big part of the original value.
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Other game improvement iron models from different brands, closest to its model year.
Use as your baseline in the recommendation tool, or compare side-by-side with another set.