Miura CB57 Cavity Back Video Irons Review: Forged Excellence

You look at your inbox and do a double take to make sure what you’re seeing is real. Yes the subject of the email clearly has the word Miura in it and then you click with anticipation. It’s one of those moments that for someone like me equates to winning the golf equipment lottery.

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We were lucky to have the services of our friend Christo Garcia from myswingevolution.com to collaborate with on the review. Christo has been on a well documented journey not only to become a better golfer but do it emulating his favorite player Ben Hogan.

Miura Golf of Japan makes the world’s finest forged golf clubs, designed and manufactured by patriarch and club expert Katsuhiro Miura with the help of his sons Yoshitaka and Shinei, whom he trained.

Miura makes its forged clubs — irons, wedges and putters — in the company’s one factory and one forge, both in the city of Himeji, which was for centuries the seat of the ancient Japanese art of samurai sword making. While demand for those weapons has diminished, the generations of steelmaking skill and passion have not — and these are the attributes that the Miura family brings to the creation of the world’s best golf weapons.

Miura Golf Putter

Katsuhiro Miura, who began making golf clubs in 1957, hand-grinds clubs in his factory every day alongside Yoshitaka Miura, while Shinei Miura supervises the forging. Miura clubs are made one by one, using many handcrafting processes, and will never be mass produced. Special forging techniques assure that the grain of the steel in each club will be fine and uniform, with no voids or tiny bubbles that could interfere with the famous Miura purity of the strike. This grain, more comparable to a jar of sand than a jar of marbles, is the result of careful and patient forging and finishing, and it sets Miura apart from other clubs.

Miura offers non-forged products as well — drivers, fairway woods and hybrids — all designed and produced under the supervision of the Miura family.

Among professional golfers, the Miura name is well-known — indeed, before he made clubs under his own name, Katsuhiro Miura supplied many top pros with the clubs they used to win major championships. Out of deference to those players and their current endorsement relationships, Katsuhiro Miura does not discuss them specifically. Instead, he focuses on the design and manufacture of his current clubs, which are to him the highest expression of his decades-long quest for golf club perfection.

The first step in purchasing any Miura club is to contact a local fitter. I was very happy to see several options here in the Los Angeles area. After careful consideration I chose to go with Urban Golf in West Los Angeles.

What are we getting fit for? Miura Golf has released a special edition line of clubs called the “Series 1957” and new in the product range is the Limited Edition CB 57 Cavity Back Irons.  Let’s get to the review.

Specs:

  • CB57 Cavity Back (Right Hand Only)
  • Material : Mild steel
  • Process: Precision forging plus hand grinding and polishing at Miura’s own forge and factory in Himeji, Japan
  • Finish: W nickel (satin) chrome

The CB57 head features a medium-sized cavity and a carefully sized weight bar to provide the benefits of perimeter weighting and solidity behind the hitting area. Still, the cavity is not so big as to interfere with the forged look and feel, especially from the address position. The weight bar keeps the center of gravity low, and changes size club-to-club as needed to position the center of gravity not just down, but exactly where it needs to be.

The clean, narrow top line is Miura all the way. The sole of the club incorporates the decades of lessons Miura has learned from watching and talking to golfers, resulting in efficient, powerful turf interaction and the best chance of a square face at impact. The overall size of the head is a bit smaller than Miura’s successful CB-501 cavity back iron.

Specs for Miura CB57 Irons

Here is the video review of the Miura CB57 cavity back irons from the fitting process all the way to the course. Enjoy!

Looks:

To my eye the Miura CB 57 Cavity Back Irons what other golf manufacturers should use as a measuring stick when it comes to appearance. The CB 57 is definitely a players cavity back evolved. The topline is slightly thicker than the CB 501,minute difference, but does offer a pleasant squared presence at address, while there is no mistaking it as a Miura this is a nice and subtle addition. Miura also managed to give the CB 57 a squattier appearance (is that a word?) by taking away length heel to toe. In a balancing act a weight bar was added to help with center of gravity and varies from club to club without adding anything visually to the cavity back at address. Turf interaction seemed to be a priority as well with a slightly wider sole the CB 57’s have a blunt leading edge to help keep a square face at impact.

Simply cosmetic the satin finish is beautiful with a slight touch of black in the cavity and for you handwriting lovers out there the script used for each iron is classic.

Miura CB57 Irons Up Close

Fitting Process at Urban Golf

Feel:

The CB 57 carries the tradition on in this category. They, in one word, would be described as “solid”. While at the range a guy next to me looked over and said, “it sounds like you are just murdering every shot”. The weight bar doesn’t take away from the forged feel it enhances it. Miura created the CB 57 to be more forgiving although there is no mistaking a bad strike. These are truly a players cavity back iron. We shafted the set with KBS C-Tapers in stiff hard stepped and incorporated MOI matching to create a unified feel throughout the set. The weighting difference allowed me to hit my 3 iron as well as my favorite club the 7 iron. I’ll let my fitter explain this more in the next paragraph.

Miura CB57 Irons KBS Shafts

KBS Tour Shafts

Performance:

My first impressions of the Miura CB 57 and my fitting were not favorable. It’s fair to say I was wondering what I had got myself into and if my fitter at Urban Golf knew either? Well that bad feeling disappeared after a shot of confidence in my ability and realizing that as with almost all fittings it does take a bit of adjusting. Urban Golf”s Matt Mora would not be an authorized Miura fitter if he wasn’t skilled and his professionalism was evident from the start. The fitting I received was done on both Trackman and at a later date on Flightscope as well. My setup after testing several different options were the KBS C-Tapers in stiff hard stepped with midsize grips adding an extra wrap under the right hands to help with overactive hands. Matt suggested MOI matching the irons here’s the actual process from the fitting.

Our Friend Christo Garcia trying out the CB57 Irons

Our Friend Christo Garcia trying out the CB57 Irons

Matt Mora wrote:

“The Miura CB57 irons are a great fit for Matt’s swing speed. He produces a lot of spin which results in excessive trajectory height. The muscle design of the CB57 irons neutralize backspin which allows Matt to control his trajectory.

Matt was striking the ball well, producing great smash factors. This made shaft selection easy. I concentrated on lowering his trajectory height by attempting to decrease his launch angle. I initially began with the KBS Tour V shaft, as Matt currently plays the Project X. The counter-balancing of the Tour V would lighten the swing weight which would help lower spin. While his trajectory height was lowered, it was apparent that it could still be more optimal.

We then switched to the KBS C-taper in a stiff (6.0) frequency. The low launch and low spin profile of the C-taper proved to compliment our goal of lowering overall trajectory height. The improvement brought Matt’s average trajectory down from 145 ft with the Tour V to 134 ft with the C-taper. After reviewing other data and high speed video, Matt’s understanding of his current swing dynamic helped him adjust to lower his launch angle and achieve a lower trajectory to improve his carry distance consistency.

After finding consistency in a standard length set-up, we checked his sole interaction at impact and found he would benefit from a 2* lie angle. Grip selection was based on reducing overactive hands initiating the downswing. Midsize Golf Pride CP2 grips with 1 extra wrap under Matt’s right hand to reduce the grip’s taper will create an even grip pressure for both hands and make the right hand more passive in transition.

When I received the set of Miura CB57 heads, I immediately weight sorted them. I planned to MOI (Moment of Inertia) match Matt’s 3 through 7-iron then flat line the swing weights for the 8 through PW. My goal was to increase feel in the long and mid irons, and maintain spin control in the short irons. MOI matching the long and mid irons allows Matt to utilize the same amount of energy to move each iron so his 3-iron is as easy to swing as his 7-iron.

I drilled out weight in the long and mid irons to create 8g increments from 3-iron through 7-iron and 7g increments from 7-iron through PW. This weighting produces 1/2 swing weight point increments for every 1/2″ difference in length from 3-iron to 7-iron and flatlines swing weight from 7-iron to PW.

After bending each iron to their proper lie and loft angle, marked each shaft for length. I then utilized back weighting to fine-tune and finalize swing weights. I finally double checked each shaft frequency (cpm) before installing the grips.”

As stated earlier my first impressions were not good. The short irons were missing low and right. The MOI matching made hitting the 3-5 irons incredibly consistent, unfortunately I don’t usually have to hit many long irons that often. After reporting my results to Urban Golf we scheduled another visit and while there contact began to improve. I was able to take it to the course and found that bringing the flight and spin down improved carry while still allowing me to land softly on approach shots. My dispersion has tightened up considerably. On flightscope my shots were staying within a 10 yard window which for me is very good. While forgiving for a players cb mishits are still punished with a major loss of distance. I did seem to get better results than similar toe shots distance wise compared to the CB 501’s.The biggest surprise was how well the Cb 57’s handled the turf. The blunt leading edge perform brilliantly on both the thick Southern California rough and the hard fairway conditions from our current drought.

Overall:

Miura Golf holds the bar high when it comes to quality. I could not recommend the CB 57 highly enough. The whole process from club selection to the fitting were very professional and ensured I left with the best option for my game. The attention you receive when other golfers realize what you’re playing is like belonging to some elite club. Yes, they are that good!

The Miura CB 57’s are available now at a retailer near you.

A huge thank you to you the readers, Christo Garcia from myswingevolution.com, Miura, and everyone at Urban Golf for their expertise and patience!

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