Northern Brass 3-63**** Trumpet Mouthpiece .630 inner diameter
This has the medium shallow **** cup. With the #3 rim which is similar to the standard GR rim but has a softer bite.There is a sufficient amount of what many refer to as "undercut". A great choice for those who bottom out on the 6a4a the Shew lead type models and similar mouthpieces. Those who like the 3-63*** often add this model to their arsenal for when a darker broader sound is desired yet still efficient enough to tackle the most difficult trumpet literature. GR#1 back bore is used.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 3-63*** Trumpet Mouthpiece .630 inner diameter
This unique high efficiency mouthpiece design has the shallow brighter sounding *** cup and the comfortable #3 rim which is similar in width to the standard GR rim but with a softer bite.
There is a sufficient amount of what many refer to as "undercut". Players who bottom out on mouthpieces like the 6a4a and the shallow Shew lead model type mouthpieces often like this model.This was chosen as one of the most popular models from the original beta testers and put into use by professional players, serious recreational players, and come back players. The big and bright trumpet sound generated by this mouthpiece is truly exceptional. A sizzling sound that soars into the double registers yet remains full in the low and middle range. Lightning fast response and articulations with good sound and intonation.
Players who like this model also like the 3-63**** model.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 4-63**** Trumpet Mouthpiece .630 inner diameter
This has the Medium shallow **** cup with the semi flat #4 rim which is similar to the GR e rim but less overall width.There is a sufficient amount of what many refer to as "undercut" for chop room. A great choice for those who bottom out on the 6a4a the Shew models and similar shallow mouthpieces. The GR #1 back bore is used. Very efficient and capable of everything from lead to all around playing requirements. Players who like this model also add the 4-63GP*** to their arsenal for when they want a brighter sound and an even easier upper register. Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 4-65**** Trumpet Mouthpiece .650 inner diameter
This model has the #4 semi flat rim which is similar to the GR e rim but not as wide overall and has a medium shallow **** cup.
There is a sufficient amount of what many refer to as "undercut" for chop room. A great choice for those who bottom out on the 13a4a,14a4 or the Shew models and similar shallow mouthpieces The GR #1 back bore is used to maintain a focused and versatile sound. Players who like this model also like the 4-65***. This model is identical to the previous 65GP and 4-65GP***
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 4-66**** Trumpet Mouthpiece .660 inner diameter
This has the #4 semi flat rim which is similar to the GR e rim but not as wide overall and the medium shallow **** cup.
There is a sufficient amount of what many refer to as "undercut" for chop room. A great choice for those who bottom out on the 13a4a,14a4a, the Shew models and similar shallow lead style mouthpieces.
The GR #1 back bore is used for a focused and versatile sound.
Those who like this model also like the 4-66***.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 4-64**** Trumpet Mouthpiece .640 inner diameter
This model has the #4 semi flat rim similar to the GR e rim but not as wide overall.The cup is medium shallow. There is a sufficient amount of what many refer to as "undercut" for chop room. A great choice for those who bottom out on the 6a4a or the Shew models and similar shallow mouthpieces. Those who like this model also like the 4-64GP*** for when they want a brighter sound, and the 4-64***** for a slightly broader sound and more cup volume.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 3-64*** Trumpet Mouthpiece .640 inner diameter
This unique high efficiency mouthpiece design has the shallow brighter sounding *** cup and the comfortable #3 rim which is similar to the standard GR rim but with a softer bite There is a sufficient amount of what many refer to as "undercut". Players who bottom out on mouthpieces like the 6a4a and the shallow Shew model mouthpieces often like this model. The #3 rim and cup was chosen as one of the most popular models from the original beta testers and put into use by professional players,serious recreational players, and come back players. The big and bright trumpet sound generated by this mouthpiece is truly exceptional. A sizzling sound that soars into the double registers yet remains full in the low and middle range. Lightning fast response and articulations with good sound and intonation.

Players who like this model also like the 3-64**** model.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 3-64**** Trumpet Mouthpiece .640 inner diameter
This has the medium shallow **** cup but with the comfortable #3 rim which is similar to the GR standard rim width but has a softer bite.There is a sufficient amount of what many refer to as "undercut". A great choice for those who bottom out on the 6a4a the Shew models and similar mouthpieces. Those who like the 3-64*** often add this model to their arsenal for when a darker broader sound is desired yet still efficient enough to tackle the most difficult trumpet literature. GR#1 back bore is used.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 3-65**** Trumpet Mouthpiece .650 inner diameter.

The medium shallow **** cup with the comfortable #3 rim which is similar to the standard GR rim width but with less bite.There is a sufficient amount of what many refer to as "undercut". A great choice for those who bottom out on the 13a4a,14a4a the Shew models and similar mouthpieces. Those who like the 3-65*** often add this model to their arsenal for when a darker broader sound is desired yet still efficient enough to tackle the most difficult trumpet literature. GR#1 back bore is used.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 3-66*** Trumpet Mouthpiece .660 inner diameter

This unique high efficiency mouthpiece design has the shallow brighter sounding *** cup and the comfortable #3 rim which is similar to the standard GR rim but with less bite.There is a sufficient amount of what many refer to as "undercut" for chop room. Players who bottom out on mouthpieces like the 13a4a,14a4a and the shallow Shew model mouthpieces often like this model.The big and bright trumpet sound generated by this mouthpiece is truly exceptional. A sizzling sound that soars into the double registers yet remains full in the low and middle range. Lightning fast response and articulations with good sound and intonation.
Players who like this model also like the 3-66**** model.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 3-66**** Trumpet Mouthpiece .660 inner diameter

This has the medium shallow **** cup with the #3 rim which is similar to the standard GR rim but has a softer bite.There is a sufficient amount of what many refer to as "undercut" for chop room.. A great choice for those who bottom out on the 13a4a,14a4a, the Shew models and similar mouthpieces. Those who like the 3-66*** often add this model to their arsenal for when a darker broader sound is desired yet still efficient enough to tackle difficult trumpet literature. The GR#1 back bore is used.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 4-65*** Trumpet Mouthpiece .650 diameter
This model has the #4 semi flat rim that is similar to the GR e rim but not as wide overall and the shallow *** cup.
There is a sufficient amount of what many refer to as "undercut" for chop room. A great choice for those who bottom out on the 13a4a,14a4a, or the Shew models and similar shallow mouthpieces.
The GR #1 back bore is used for a focused sound and versatility.
Those who like this model also like the 4-65****.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 4-63*** Trumpet Mouthpiece .630 inner diameter
This has the shallow *** cup which generates a bright and full sound with an excellent upper register while not sacrificing a good sound in the low and middle registers. The semi-flat #4 rim which is similar to the GR e rim but not as wide overall. There is a sufficient amount of what many refer to as "undercut" for chop room. A great choice for those who bottom out on the 6a4a, Shew lead models and similar shallow lead type designs. The 4-63*** is the exact same mouthpiece as the older 63GP***. The GR #1 back bore is used. Players who like this model also like the 4-63**** and 4-63***** for when they want a darker broader sound.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 4-64*** Trumpet Mouthpiece .640 inner diameter
This model has the #4 semi flat rim similar to the GR e rim but with less overall width. A shallow *** cup depth.There is a sufficient amount of what many refer to as "undercut" for chop room. A great choice for those who bottom out on the 6a4a or the Shew lead and similar shallow mouthpieces.
Those who like this model also like the 4-64**** and 4-64***** for when a darker broader sound is desired. The 4-64*** is identical to the previous 64GP*** model.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 4-66*** Trumpet Mouthpiece .660 inner diameter
This model has the #4 semi flat rim which is similar to the GR e rim but not as wide overall and has the shallow *** cup. The GR #1 Back bore is used for a focused and flexible sound.
There is a sufficient amount of what many refer to as "undercut" for chop room. A great choice for those who bottom out on the 13a4a,14a4a, the Shew models and similar shallow mouthpieces. This is identical to the previous 4-66GP*** model.
Those who like this model also like the 4-66****.
Please see the Northern Brass Mouthpieces Description section for more info on
the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

New for 2019!
Northern Brass 4-64M Trumpet Mouthpiece .640 inner diameter
This model has our popular #4 rim with a medium cup depth similar to the GR e rim but not as wide overall and the GR #2 back bore.
This is a great all around mouthpiece the cup is similar in depth and shape to the standard GR M cup but with special tweaks.
So now you have a total of 4 graduated cup depths to chose from in the .640 diameter size all on the same #4 rim!
Go ahead you know you want all of them :-)
Please see the Northern Brass Mouthpieces Description section for more info on
the rims and cups.

For International shipping we use USPS Global Express Guaranteed which is usually around $100.00

Northern Brass 4-65M Trumpet Mouthpiece .650 inner diameter
This features our popular #4 rim which is similar to the GR e rim but has less overall width .Similar in cup depth and volume to the standard GR M cup but with special tweaks along with the GR #2 Back bore makes for a great all around mouthpiece!
So now you have a total of 3 graduated cup depths to chose from in the .650
inner diameter size and all on the same #4 rim!
Go ahead you know you want them all :-)
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 4-63***** Trumpet Mouthpiece .630 inner diameter
This model has a slightly larger cup volume than the ****. The shape allows more lip into the cup with a slightly broader sound.There is a sufficient amount of what many refer to as "undercut" for chop room. A great choice for those who bottom out on the 6a4a the Shew models and similar shallow mouthpieces.The GR #1 back bore keeps the sound focused and good flexibility and upper register capabilities. The #4 rim is semi flat and similar to the GR e rim but with less overall width.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 4-64***** Trumpet Mouthpiece .640 inner diameter
This has the #4 semi flat rim which is similar to the GR e rim but not as wide overall and a medium shallow cup.
The GR #1 back bore is used for a focused and versatile sound.There is a sufficient amount of what many refer to as "undercut" for chop room. A great choice for those who bottom out on the 6a4a the Shew models and similar shallow mouthpieces. Players who like this also like the 4-64*** and 4-64**** for extra efficiency and upper register assistance.
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 3-65*** Trumpet Mouthpiece .650 inner diameter
This unique high efficiency mouthpiece design has the shallow brighter sounding *** cup and the medium wide semi rounded #3 rim which is similar to the standard GR rim width but with less bite. There is a sufficient amount of what many refer to as "undercut". Players who bottom out on mouthpieces like the 13a4a,14a4a and the shallow Shew lead type model mouthpieces often like this model. The big and bright trumpet sound generated by this mouthpiece is truly exceptional. A sizzling sound that soars into the double registers yet remains full in the low and middle registers. Lightning fast response and quick articulations with good sound and intonation.

Players who like this model also like the 3-65**** model.
Please see the Northern Brass Mouthpieces Description section for more info on the rim and cup styles.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.

Northern Brass 3-65M Trumpet Mouthpiece .650 inner diameter
This features our popular #3 rim which is similar to the standard GR rim width but has less bite.Similar in cup depth and volume to the standard GR M cup but with special tweaks along with the GR #2 Back bore makes for a great all around mouthpiece!
So now you have a total of 3 graduated cup depths to chose from in the .650 inner diameter size and all on the same #3 rim!
Go ahead you know you want them all :-)
Please see the Northern Brass Mouthpieces Description section for more info on the rims and cups.

Shipping outside of the USA contact us first before purchasing. We will invoice you separately for International shipping. We only use Guaranteed Global Express which is $99.00.