Club Junkie
PXG M16 putter shaft: On-course review
Exotic putter shafts are becoming a big thing and we have seen many models over the past couple of years. PXG is the latest to stuff a whole lot of technology and engineering into a putter shaft with its M16 shaft.
The M16 putter shaft is made up of a steel tip and a carbon fiber handle section that are bonded together to make a shaft that is 26-percent stiffer than a traditional steel putter shaft. The carbon handle section is made up of layers of carbon fiber, rubber, and 22 metal wires that run vertically through the shaft. This high-tech recipe creates a shaft that is stiffer and more stable than a traditional steel putter shaft. The shaft also comes in at a little lower price point than other offerings on the market at just an $89 upcharge when ordering a PXG putter.

I have played a handful of these new putter shafts, so I was excited to try this new offering from PXG. First off I love the look of the M16 with 3/4 of the shaft a matte black, it blends well with the black putter heads and grips. I have been playing the PXG Bat Attack putter this year with a traditional steel putter shaft and enjoy the stability of the putter and how the “wings” frame the ball. When I was fit for the putter PXG raised the weight of the head to help with the feel since I play the putter short, at 33 inches. PXG was kind enough to send me another Bat Attack in the same spec as my current putter, but with the new M16 shaft, so it was very easy to see how the new M16 performed.
Before heading out to the course, like all golfers, we do the waggle test, and just from that you can tell the M16 is stiffer than a traditional steel putter shaft. Out on the green the first thing I noticed, with the first putt, was the softer feel at impact. The PXG putters are fairly soft feeling anyway with their pyramid face pattern, but the M16 seems to soften that up just a little bit.
Impact brings your hands less vibration and a more solid feel as well as a more muted sound. I noticed the more muted sound with the M16 in my basement, putting on my mat. Outdoors you can still hear the difference between the two shafts and the sound is just a little more crisp, or high-pitched, with the steel shaft.

I said this before, but I am a big fan of a stiffer putter shaft and like the feel of the putter head not moving throughout the stroke. The M16 delivers on its promise of a stiffer profile and the putter head does not move during the stroke. For some players with quicker tempo putting strokes, the stiffer profile will more than likely give them a little feeling of added control.
On short putts the M16 feels stable and that the head is always aimed at your target line. There is zero movement or unwanted rotation from the head and you have the confidence to roll putts with a slightly more aggressive nature.
Lag putting I think is where the M16 really shines. The harder the stroke the more you can feel the M16 keep the putter head with your hands. The putter head just does not release as your bing the head to the bottom of the stroke to impact. Even with putts across greens and uphill you feel like you are in complete control of the putter and the ball leaves on your intended line.

Overall PXG’s M16 putter shaft is a great option at a good price to add some stability and feel to your putter. If you are looking to try an exotic putter shaft and don’t want to break the bank, then I think you have to give the M16 a good look.
More on the M16 putter shaft and new Titleist TSR2 woods in the latest episode of Club Junkie, below.
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MICHAEL
Sep 18, 2022 at 9:53 am
An exotic putter shaft is the very last thing 99.99999% of golfers should even consider (“a fool & his $ are soon parted!”)
BTW, this “M16” putter shaft, I’ve heard unless you clean it after each use it will jam.
Paul Runyan
Sep 15, 2022 at 7:36 pm
I guess I’m not seeing the need for a $250 putter shaft or anything exotic.
There have been countless great putters and putters over the years with out it.
Tiger, Jack… and how do you measure its value?
I think the type of grip one uses on a putter is more important not putting more pressure or stress on either hand.
They do look nice though!
Donn Rutkoff
Dec 24, 2023 at 5:19 pm
There are only a handful of pro golfers you can name for their putting, out of tens of thousands. So, maybe a better shaft IS something we didn’t know we needed but we DO need. I have test4ed the Mamiya All-In in stores and every time, I say “Better than a regular shaft.” So I am going to go for a PXG putter fitting while they are SALE PRICED. I have long arms and need lie angle adjusted on any putter anyeway, so might as well get fitted. The fitting is free if I buy.