Are Kirkland Golf Balls Legal? According to the USGA and R&A, Kirkland golf balls are totally legal to use. In other words, you are legally allowed to use Kirkland golf balls in any casual, high-level amateur, or professional golf outings. Kirkland golf balls abide by all of the equipment rules, which makes them illegal to use.
How To Know If Kirkland Golf Balls Are Legal
There are two different ways to tell if a golf ball is legal. The first way is to run through the bulleted list of rules provided by the USGA.
The next way is to check with the R&A Database. This database stores the information for all of the legal pieces of golf equipment. If a piece of golf equipment is in the state of base, then it is considered legal and USGA approved. If a piece of equipment is not in this database, then it is not USGA approved. Below is a photo of the results when the word Kirkland is searched.
As you can see, there are different versions of Kirkland golf balls that are legal to use. More specifically, the tour performance and performance plus version of the Kirkland golf ball are USGA approved.