UST Mamiya Recoil Iron Shaft

UST Mamiya Recoil Iron Shafts – Ascending Weight Taper

By Russ Ryden, A Golf Digest America’s 100 Best Clubfitter
Fit2Score, Dallas Fort Worth, Texas



In the recent past, composite iron shafts were not looked on as something suitable for strong, low handicap, competitive golfers. The idea that composite, aka graphite, iron shafts belonged in the bag of a tour pro is still hard for many traditional minded golf professionals to accept.  Then, Brandt Snedeker comes along and wins the 2012 FedEx Cup with composite iron shafts in his bag. Composite has arrived and the composite shaft companies are delivering tour quality shafts.

The UST Mamiya Recoil ascending weight iron shaft is one such golf shaft. It released in 2013 through the UST Mamiya TourSPX dealers. I first saw this shaft in its prototype version two years ago. This review is about the ascending weight taper shafts. It does not apply to the parallel shafts available to the general public. I have not yet looked at those shafts. 

The technical discussion and measurements are available only to registered readers

Michael Guerrette, Senior Director of R&D discussed the Recoil with me at the PGA 2013 merchandise show.


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  • ryan

    Best iron shaft ever made that is a composite? Or best iron shaft ever made period composite or steel?

  • DevotedGolfer

    It is impossible to declare one shaft as the best, composite or steel. Jamie was referring to the best iron shaft made by UST. The best iron shaft is going to be the one that fits you. This shaft exhibits exemplary technology and quality. Only through testing will you know if its right for you.

  • Richie3Jack

    What is the difference between ascending shaft weights and constant shaft weights, particular as it pertains to the weight of each shaft after they are trimmed? Are the constant weight shafts the same weight after they are trimmed?

    • DevotedGolfer

      Assuming that you trim the same amount from the butt of each shaft in a constant weight set, the shafts will remain approximately the same weight after they are butt trimmed to length. In ascending weight sets, the shafts get heavier as they get shorter. The heads are doing the same with each head in a set typically weighing 7 to 8 grams more than the preceding head. Ascending weight shafts follow this progression, shafts getting heavier as the heads get heavier. I have seen sets of swing weight matched Pings being very close to MOI matched with the AWT shafts.

  • Mike

    Going from the picture and the torque ##, these are the Prototype 95’s, right? Did you have a chance to compare these to the ‘normal’ 95’s? My UST guy claims these are identical, save the higher torque. Since torque is more a consequence than a design objective (though UST VTS comes to mind) and the considerable price difference make me think there must be more to it in difference. Any thoughts on this Russ?

  • Matt

    Hello there

    I wonder if I had a set of 95 F3, how much should I tip them to get to the next flex? Half inch enough?