Schilke makes a wide variety and large number of stock mouthpieces, all of which are included the chart below. They are readily available and are remarkably inexpensive given their consistency and quality.

Model	mm	inches	Throat	Description
6A4a	15.99	.630	27	A shallow 'A" cup with cushion #4 rim for extreme high register work.
13A4a	16.76	.660	27	The shallow "A" cup, semi-flat #4 rim and tight "a" backbore creates an ideal lead mouthpiece.
14	17.02	.670	26	With a standard rim, cup and backbore, the 14 is an excellent choice for all around playing.
14A4	17.09	.673	27	Same as the 14A4a but with a standard "c" backbore which offers a more "open" feel.
14A4a	17.09	.673	27	One of the most popular mouthpieces, the 14A4a offers a shallow "A" cup, semi-flat #4 rim and tight "a" backbore allows a player a strong upper register without sacrificing tonal production.
14A4x	17.09	.673	27	Based on the popular 14A4a, this mouthpiece creates a very open blowing feel with the large "x" backbore. This backbore improves the ease of playing and opens up the sound of the piccolo trumpet. Also ideal for Eb soprano cornet.
15	17.12	.674	26	An excellent all-around mouthpiece which offers a free blowing, clear sound.
15A4	17.14	.675	27	Same as the 15A4a but with a larger "c" backbore for an open feel.
15C4	17.14	.675	26	This mouthpiece is similar to the #15 but with the #4 semi-flat rim for increased endurance.