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The original, revolutionary M1 Mastery Bridge. 


M1 mounting posts fit vintage and used American made Offset guitars produced from 1958-2011. 

If you have an American made Offset guitar made in 2012 or later, order the M1-KIT.


  • Problems with your current bridge? You’re not alone. Since its conception in 2008, the multi-patented Offset Mastery Bridge remains the industry leader and most trusted Offset bridge in the hands of touring musicians around the globe. Luthier designed, our original Offset bridge eliminates the buzzing associated with previous saddle designs. Your strings won’t fall out of their grooves — no matter how hard you play.

    All of our Offset bridge saddles are made of solid brass and we plate them with a unique, self-lubricating hard chrome plating not found on any other guitar bridge. Hard chrome plating demonstrates excellent hardness and lubricity, and is the premier engineering choice to reduce friction, minimize wear and eliminate the heat/tuning issues caused by vibrato use string/saddle friction. Our hard chrome plating also protects the saddle from wear, preventing grooves formed in the saddle over time, versus stainless steel and plain brass.

    The patented non-rocking post design along with Mastery’s patented two brass saddle design has a dramatic effect on the transfer of string-to-body energy, giving your guitar much greater resonance that you’ll even hear acoustically. AND THAT’S JUST THE START. Check out our specs page to learn more, and see why veteran guitarists such as Nels Cline & Jeff Tweedy of Wilco, Elvis Costello, Troy Van Leeuwen, Bill Frisell, Thurston Moore, as well as thousands of others use Mastery.

  • M1: Mastery Bridge for your American-made guitar
    The M1 Mastery Bridge and its mounting posts fit all vintage Fender guitars as well as ’62 and ’65 reissue models.

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