Bach Style Bb 25 Leadpipe Assemblies for Trumpet - Raw Brass

Drawn trumpet leadpipes, assembled with receiver and outer tube (ML bore). Raw Brass. .345" venturi with 1/8" gap.

https://www.omalleyhorns.com/products/trumpet-leadpipes-uncut

https://www.omalleyhorns.com/products/trumpet-leadpipe-assembly-tester