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Titleist 620 MB, CB, and T100 irons to debut at U.S. Open



It is always said that the U.S. Open is the ultimate test of skill and patience for a player’s entire game — driving, ball striking, recoveries, and putting.

In the case of ball striking, there really is no better proving ground than the U.S. Open, and this week Titleist is seeding the new 620 MB and 620 CB Irons along with a new addition to the line – T100 irons. The seeding process is Titleist’s way of getting new clubs into the hands of players under playing conditions and we say just a few weeks ago this same process for the new TS Hybrids and driving irons.

So far, the details are vague on what the new irons have in store from our friends in Fairhaven, Massachusetts but we can make some very obvious conclusions. The new 620 MBs and CBs will be the replacement for the current line of blade and cavity backs (I realize there couldn’t be a more softball take but it has to be said).

What is interesting about these new irons is the return to the 600 branding for Titleist, which was last used in the lineup for the 695 MB and CB irons, which go all the way back to 2006. The 600 name has always been associated with some of the best Titleist blades ever made including the 670, 680, and 690s.

Looking at the first release pictures of the new 620s, it’s yet to be seen if there are any multi-material aspects to the designs, but either way, I’m sure we will find out more details soon.

Speaking to multi-material what has also been included in this announcement are the T100s. They have an obvious AP look to them but in what also appears to be a smaller package.

The Titleist AP line has been a massive success since its introduction, but if there was one tiny bit of criticism (and I’m really searching here) it would be that it was harder to seamlessly blend the CB line into the AP line for those looking to build combo sets. Again this is early speculation, but if the new T100 has a smaller profile of the new CB but with the added ball speed and MOI of an AP iron, you could be seeing a lot of the T100s in the bags of players from pros to club golfer looking for that added advantage in the longer irons and even into the short clubs

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Ryan Barath is part of the Digital Content Creation Team for GolfWRX. He hosts the "On Spec" Podcast on the GolfWRX Radio Network which focuses on discussing everything golf, including gear, technology, fitting, and course architecture. He is a club-fitter & master club builder with more than 17 years of experience working with golfers of all skill levels, including PGA Tour players. He is the former Build Shop Manager & Social Media Coordinator for Modern Golf. He now works independently from his home shop and is a member of advisory panels to a select number of golf equipment manufacturers. You can find Ryan on Twitter and Instagram where he's always willing to chat golf, and share his passion for club building, course architecture and wedge grinding.



  1. dat

    Jun 10, 2019 at 1:54 pm

    Let’s be honest, only the MBs look good, and at that – they’re probably going to be among the most unforgiving on the market.

  2. Jack

    Jun 10, 2019 at 1:25 pm

    Kuch suck a-hole

  3. F

    Jun 10, 2019 at 12:58 pm

    Fugly as ever

  4. Karl

    Jun 10, 2019 at 12:53 pm

    The MBs look amazing, I don’t care for the new CB look however – last model looked much cleaner IMO.

  5. DukeOfChinoHills

    Jun 10, 2019 at 12:12 pm

    The 620MB look gorgeous. The CBs are starting to look too busy. And the the T100 definitely look over designed. I’m not in the market, but I’m starting to get concerned where the iron lineup is going.

  6. The dude

    Jun 10, 2019 at 12:03 pm

    Who forges these?

    • A

      Jun 10, 2019 at 1:00 pm

      They’re forged of 8620 in Taiwan but they won’t tell you that

  7. 2putttom

    Jun 10, 2019 at 11:52 am

    wow ! I’m in

  8. Jordan

    Jun 10, 2019 at 10:45 am

    Was really looking forward to iteration #2 of the AP3s… wondering if that is still on the docket.

    • MacAllan

      Jun 10, 2019 at 10:59 am

      I’ve said it before but my post was deleted.
      AP’s are gone and replaced with T100 (AP2), T200 (AP3) and T300 (AP1).

      • Jordan

        Jun 10, 2019 at 12:15 pm

        Ah i guess i didnt know they were doing T200 or T300s as well. Good to know. I’m essentially just looking for a rocket 4 iron that i can hit 230 and the T200s and 300s hopefully will get me there. Thanks.

  9. Travis

    Jun 10, 2019 at 10:30 am

    Yes! Love the return of the curved muscleback! So many Titleist staffers have gone back to using the Titleist 680’s, not surprised to see Titleist go back to that design!

    I hope the T100 aren’t an AP2 replacement. The AP2’s have becoming iconic in their naming convention and it would be a bad move to go away from that.

  10. Dan

    Jun 10, 2019 at 9:30 am

    I’m still pissed I bought the MP-18 over the 716MB

  11. Johnny Newbern

    Jun 10, 2019 at 9:19 am

    The MB is the best looking club on the market. Love the return to the 600 classification.

    Ryan, any word on if the U500 will eventually be full set to replace the TMBs?

    • Ryan Barath

      Jun 10, 2019 at 10:29 am

      Great question but so far no news – by the looks of it I would say not likely at the moment

      • brian

        Jun 10, 2019 at 10:51 am

        Not sure if you mean Muscle Backs in general, or the 718 MB in specific when you say “MB is the best looking club on the market.” If the former, I agree. If the latter, I disagree. I’d put both the Callaway and Mizuno MBs over Titleist’s in the looks department.

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Coolest thing for sale in the GolfWRX Classifieds (03/03/21): Scotty Cameron Circle T



At GolfWRX, we love golf equipment plain and simple.

We are a community of like-minded individuals that all experience and express our enjoyment for the game in many ways. It’s that sense of community that drives day-to-day interactions in the forums on topics that range from best driver to what marker you use to mark your ball, it even allows us to share another thing – the equipment itself.

One of the best ways to enjoy equipment is to experiment and whether you are looking to buy-sell-or trade (as the name suggests) you can find almost anything in the GolfWRX BST Forum. From one-off custom Scotty Cameron Circle T putters, to iron sets, wedges, and barely hit drivers, you can find it all in our constantly updated marketplace.

This is the most impressive current listing from the GolfWRX BST, and if you are curious about the rules to participate in the BST Forum you can check them out here: GolfWRX BST Rules


When it comes to Scotty Cameron gear, “if you know, you know,” and this Circle T Concept 2 is an exceptional putter with all kinds of cool details all the way down to the grip and headcover. You can check out the whole listing here: Tour Proven Circle T Concept 2 PRICED TO MOVE which also features the price.

Remember that you can always browse the GolfWRX Classifieds any time here in our forums: GolfWRX Classifieds

You can also follow along on Instagram: GolfWRX Classifieds

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Cobra releasing new Copper Series irons and RF Forged MB



If you loved the look of the Cobra limited edition RF Proto Rev33 irons but were looking for an iron more forgiving to your golf game—or more friendly on your wallet—you’re in luck. The new Copper Series features some of the most popular irons in the company’s lineup, along with a new version of the King RF blades in a stunning copper finish.

King RF Forged MB Copper

The new Cobra RF MB blades share all the same features as the limited edition Rev33, except for the one key difference being the new RF MB’s are forged to final shape through a precise five-time forging process with the face and grooves being CNC milled—versus the Rev33 irons being 100 percent CNC milled to spec.

This change in the process produces an equally precise iron but at a friendlier price compared to the limited edition set.

Just like Rickie’s gamers, the RF MBs have a tungsten weight positioned in the toe to locate the CG directly behind the middle of the iron’s face to enhance stability and feel.

The King RF Forged MB irons will be available in right-handed only and come 4-iron through pitching wedge with KBS C-Taper 120 steel shafts, along with Lamkin Crossline Connect grips in the stock configuration. They are priced at $1,399.

King Tour & Forged Tec Copper irons

For the golfer looking for a compact cavity back, Cobra is also offering the recently released King Tour irons produced using MIM in copper.  Here’s a refresher on Metal Injection Molding:

It’s a process using a mixture of 304 stainless steel metal powder, which is heated and injected into a mold. Using a sintering process, the metal is heated to a higher temperature than forging (1340°C vs. 1200°C), which provides a smoother grain flow structure versus forged and cast to maximize soft feel.

Much like the RF MB, the multi-material King Tour irons have a tungsten weight inserted into the toe section to precisely locate the CG to the middle of the face.

The King Tour irons will be available in right and left-handed and come 4-iron through pitching wedge with KBS $-Taper 120 steel shafts, along with Lamkin Crossline Connect grips in the stock configuration. A 3-iron and gap wedge are also available through custom orders. They are priced at $1,399. 

(The King Tour irons will continue to be available in the standard chrome finish in right and left-handed)

Now, for those golfers who put a premium on distance, Cobra is also offering the King Forged Tec in copper with all the same technology you know and love from this compact hollow design.

The hollow iron heads are filled with foam microspheres to produce a soft and solid feel at impact and the face features what Cobra calls a forged PWRSHELL insert to maximizes ball speed and launch across the entire face.

The King Forged Tec irons will be available in right and left-handed (variable length only) and come 4-iron through pitching wedge, with a 3-iron and gap wedge available through custom orders. The stock configurations include KBS $-Taper lite in steel and Project X Catalyst 80 (x and s flex) and 60 in R-flex along with Lamkin Crossline Connect grips. The irons are priced at $1,199.  

(The chrome version of the irons will continue to be available in right and left-handed, in both variable and One Length, right and left-handed)

Final details

All three of the copper iron sets will be available at retail and through starting March 12.

They will also include Cobra Connect powered by Arccos and come with a free 90-day trial of Arccos Caddie.

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Jason Dufner testing a new Cobra 3D printed putter at the 2021 API



Ahead of this week’s 2021 Arnold Palmer Invitational, Jason Dufner has been spotted with a new Cobra 3D printed putter. The 43-year-old has been testing the flat-stick on Bay Hill’s grounds ahead of this week’s event, and our members have been discussing the putter in our forums.

Here are a few posts from the thread, but make sure to check out the entire discussion and have your say at the link below.

  • ChxDigLongBall: “Dig the name. Looks pretty good. I’d give it a roll. Interested to see what it feels like.”
  • av1084: “Weird all around, in a good way.”
  • KAndyMan: “Can’t wait to see what the putter line up will consist of! Definitely a cool idea using 3d printing. The possibilities are endless with it. Would/will be a strange day in the future when you can get online, design your own one-off putter in the morning and have it at your door before your league tee time that afternoon.”

Entire Thread: “Jason Dufner testing a new Cobra 3D printed putter at the 2021 API”

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