Detail 01
Size 3
In Bach's numbering, lower numbers are wider rims. A 3 gives noticeably more room than the 7 most horns ship with.

Independent shopping perspective
Silver-plated trumpet mouthpiece from Bach's standard line, size 3. A wider rim for players who feel cramped on the mouthpiece their horn came with.

Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
In Bach's numbering, lower numbers are wider rims. A 3 gives noticeably more room than the 7 most horns ship with.
Detail 02
Slicker and slightly firmer against the lip than gold. A small number of players are sensitive to it.
Detail 03
Bach's regular-weight blank — the baseline most teachers mean when they name a size to a student.
Detail 04
Fits trumpet receivers. Cornet and flugelhorn shanks are different diameters and won't seat properly.
Detail 05
Ordinary replacement money, so there's little reason to keep playing a dented or worn-through mouthpiece.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
Yes. Lower numbers mean a wider rim, so a 3 gives more room than the 7 that comes with most trumpets.
Usually not. The wider rim asks more of the embouchure. Most beginners do better staying near the size their horn came with until their chops settle.
Silver feels firmer and grippier, gold smoother. The playing difference is small; choose by comfort and whether your skin reacts to silver.
No. Cornets take a cornet shank, which is a different diameter. This is cut for a trumpet receiver.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.