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Greg Black Bass Trombone Mouthpiece 1¼ GM – Pre-Owned, Excellent

Offered here is a Greg Black Model 1¼ GM bass trombone mouthpiece, lightly used and in perfect condition. This is a medium-weight model, ideal for players who want versatility across styles—whether in orchestra, big band, chamber settings, or solo performance.

  • Cup Diameter: 28.5mm (1.122")

  • Cup Depth: G (deep)

  • Bore Size: “O” (.316")

The 1¼ GM strikes a balance between the broader 1G-style mouthpieces and more compact options, making it a smart choice for players seeking depth and power without sacrificing control. It’s a proven all-around option for serious bass trombonists.

Greg Black Mouthpieces are produced in Mount Holly, NC, United States. The 1¼ GM model currently retails for $239 when purchased new from the company’s website. This pre-owned example is in near-mint condition with minimal wear—a great opportunity to save on a premium mouthpiece.

This mouthpiece has been sold.  To see all pre-owned mouthpieces in stock browse accessory page here 👉


Can I buy a used or pre-owned Greg Black mouthpiece online—and get a discount?
Yes! While Greg Black mouthpieces are typically sold new through the company’s website, pre-owned examples like this one occasionally become available through trusted resellers. A lightly used model in excellent condition can offer significant savings—often priced well below the $239 retail. It’s a smart way to experience top-level performance without paying full price.