Cornet Mouthpiece Underpart Only by Bob Reeves Brass

Handcrafted, screw-rim cornet mouthpiece underpart only by Bob Reeves Brass. Choose rim diameter and cup shape.

This is for the underpart only. You need to have a Reeves rim already to properly use the mouthpiece. If you need a complete mouthpiece, please order it here.

Rim Sizes (smallest diameter to largest):

• 40 - 40/64", .625", 15.875mm, 10-1/2C Mt. Vernon
• 41 - 41/64", .641", 16.28mm, 7C Mt. Vernon
• 42 - 42/64", .656, 16.66mm, 3C Elkhart
• 43 - 43/64", .672", 17.09mm, 3C, Shew Jazz
• 43N - 43/64", .672", 17.09mm, 2-1/2C
• 43W - 43/64", .672", 17.09mm, 3CW
• 43.5 - 43.5/64", .680", 17.27mm, 1-1/2C, 5C

Cup Shapes (shallowest to deepest):

• ES - Extra shallow bowl
• SV - Shallow "V" 
• S - Shallow bowl
• M - Medium bowl
• D - Medium-deep "V"
• C - Medium-deep bowl
• B - Deep bowl