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Sub 70 built its whole business on skipping the middleman, and the 669 CB is what happens when that model meets a forged players cavity. You order direct, you pay a fraction of what a big-brand equivalent runs, and you get an iron that looks the part sitting behind the ball. Thin topline, minimal offset, a compact blade length. This is not a game-improvement iron wearing a disguise.
The CB in the name is the tell. It's a cavity back, so there's some perimeter weighting doing the forgiveness work, but the cavity is shallow and the sole is on the thinner side. That combination puts the 669 CB squarely in the players category rather than the players-distance crowd chasing jacked lofts and long carries. You hit this iron to control a number, not to launch it into orbit.
What makes the 669 CB interesting in 2025 is the price-to-performance gap. Forged feel and a clean shape usually come with a premium tag from the major brands. Sub 70 sells the same construction consumer-direct, which is why it keeps showing up in the bags of decent players who did the math.
In short
The Sub 70 669 CB (2025) is a players cavity that adds forgiveness without much extra size. The set runs 4-iron to GW with a 31° 7-iron.
Value sweet spot
About a year old, so the first real discounts have landed while a replacement is still 6 to 18 months out. Strong value without feeling dated.
Based on release timing and this line's typical refresh cycle, not a live price quote.
The 669 CB is the 3rd of 3 generations Sub 70 has released in this line, from the 639 CB (2021) to the 669 CB (2025). It followed the 659 CB (2023). It is the newest generation in the line.
| 4i | 5i | 6i | 7i | 8i | 9i | PW | AW |
|---|---|---|---|---|---|---|---|
| 22.0° | 24.0° | 27.0° | 31.0° | 35.0° | 39.0° | 44.0° | 49.0° |
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~137y 7-iron | Average swing~152y 7-iron | Faster swing~166y 7-iron |
|---|---|---|---|---|
| 4-iron | 22° | 163 y | 181 y | 198 y |
| 5-iron | 24° | 155 y | 172 y | 188 y |
| 6-iron | 27° | 147 y | 163 y | 178 y |
| 7-iron | 31° | 137 y | 152 y | 166 y |
| 8-iron | 35° | 128 y | 142 y | 155 y |
| 9-iron | 39° | 117 y | 130 y | 142 y |
| PW | 44° | 108 y | 120 y | 131 y |
Carry distances are modeled from TrackMan-based norms scaled to each club's loft, not measured for this exact model.
The 669 CB is a forged cavity back aimed at the better player, so the shaping stays traditional. Expect a slim topline at address, modest offset that won't bother a golfer who works the ball, and a sole ground narrow enough to nip shots off tight lies. The cavity provides a bit of heel-toe stability without ballooning the head size the way a super game-improvement iron does. Sub 70 tends to run these in a forged carbon steel, which is where the soft feel comes from on center strikes. The trade-off is honest: you get feedback on mishits instead of the muted, everything-feels-fine sensation of a cast cast-and-forget iron. Set makeup usually runs 4-PW territory, and because Sub 70 fits every order for free, you can tune lie angle, shaft, and length before it ships rather than getting a rack build.
The Sub 70 669 CB's 7-iron is lofted at 31° - near-traditional - close to the classic 32-34° benchmark. For a golfer with an 85-95 mph swing speed, this projects to a 7-iron carry of approximately 147-157 yards. The 5-iron (24°) 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 44° provides a conventional loft window that pairs cleanly with a 50-52° gap wedge.
Yes. It's a forged cavity back, which is where the soft feel on well-struck shots comes from. That also means you'll feel your mishits, which is the point for a players iron. If you want a totally muted, forgive-everything sensation, this isn't that club.
Golfers who consistently find the center of the face and want to control trajectory and spin. The thin topline, small head, and modest offset reward good ball strikers. If you're still fighting solid contact, a wider-sole game-improvement iron will be more helpful.
Sub 70 is consumer-direct. There's no retail markup and no pro-shop margin, so the same forged construction that costs a premium from a major brand sells for far less. You order from Sub 70 and it ships to you.
Yes, and Sub 70 includes custom fitting at no extra charge. You specify shaft, flex, lie angle, and length through their fitting process before the set is built, rather than buying a stock rack configuration.
It fits mid to low handicaps most comfortably. The cavity gives you a little stability on off-center strikes, but the compact profile and thin sole ask for repeatable contact. Higher handicaps can play it, just know it won't bail out chunky or thin swings the way a chunkier iron would.
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Other players cavity 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.