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The R&A and the USGA have announced the introduction of a new Model Local Rule (MLR G-10) to provide those running professional or elite amateur golf competitions with the option of limiting the maximum length of a golf club to 46 inches. 

The rule will come into effect from January 1, 2022, and will exclude putters.

The proposal was first announced in February 2021, which opened a notice-and-comment period to allow the industry the opportunity to provide feedback as part of the equipment rule-making procedures.

The comments received from the golf industry, including players, professional tours and equipment manufacturers, were carefully considered before the decision to proceed with the new MLR was reached.

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The R&A and the USGA issued an Area of Interest notice in 2014 indicating that research was being conducted into the impact of club lengths of more than 48 inches on hitting distance and whether that limit remained appropriate.

A proposed change to the limit was subsequently put forward in 2016 but was put on hold in 2017 when the Distance Insights project got underway.

Martin Slumbers, Chief Executive of The R&A, said: “We have taken time to consult fully with the golf industry, including players, the main professional tours and equipment manufacturers, and have considered their feedback carefully. We believe this is the right thing for the game at this time and it will provide tournament organisers with the flexibility to choose for themselves within the framework of the Rules.

“We are working hard to maintain an open, collaborative and considered dialogue with these key stakeholders as we continue to evolve the Equipment Standards Rules to ensure they reflect the modern game.”

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Mike Whan, the CEO of the USGA, added: “We’ve worked closely with our industry partners to ensure the future for golf remains strong. Admittedly, this is not the ‘answer’ to the overall distance debate/issue but rather a simple option for competitive events. It’s important to note that it is not a ‘Rule of Golf,’ and as such, it is not mandated for the average, recreational golfer. Rather, this is an available tool for those running competitive events.”

The proposals submitted in February for changes to the testing method for golf balls and to testing for tolerance of the spring-like effect are still under consideration. The governing bodies plan to consider feedback on these proposals in line with the responses to the broader Area of Interest – Research Topics notification, which are due by November 2.


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Michael McEwan is the Deputy Editor of bunkered and has been part of the team since 2004. In that time, he has interviewed almost every major figure within the sport, from Jack Nicklaus, to Rory McIlroy, to Donald Trump. The host of the multi award-winning bunkered Podcast and a member of Balfron Golfing Society, Michael is the author of three books and is the 2023 PPA Scotland 'Writer of the Year' and 'Columnist of the Year'. Dislikes white belts, yellow balls and iron headcovers. Likes being drawn out of the media ballot to play Augusta National.

Deputy Editor

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