GR Technologies

Also known as: GR Mouthpieces, GR

GR Technologies is an active trumpet mouthpiece manufacturer based in United States.

The index currently lists 126 models from GR Technologies. Models span 21 series, including 62 Series, 63 Series, 64 Series.

Inner diameters in the index range from 15.75 mm to 17.25 mm.

Models

Model	Diameter	Cup depth	Use
GR 62S	15.75 mm	S	lead
GR 62MS	15.75 mm	MS	standard
GR 62M	15.75 mm	M	standard
GR 62L	15.75 mm	MD	standard
GR 62XL	15.75 mm	D	standard
GR 62LD	15.75 mm	MD	standard
GR 62XL2	15.75 mm	D	standard
GR 62XS	15.75 mm	XS	lead
GR 63S	16 mm	S	lead
GR 63MS	16 mm	MS	standard
GR 63M	16 mm	M	standard
GR 63L	16 mm	MD	standard
GR 63XL	16 mm	D	standard
GR 63LD	16 mm	MD	standard
GR 63XL2	16 mm	D	standard
GR 63XS	16 mm	XS	lead
GR 64S	16.26 mm	S	lead
GR 64MS	16.26 mm	MS	standard
GR 64M	16.26 mm	M	standard
GR 64L	16.26 mm	MD	standard
GR 64XL	16.26 mm	D	standard
GR 64LD	16.26 mm	MD	standard
GR 64XL2	16.26 mm	D	standard
GR 64XS	16.26 mm	XS	lead
GR 64.7S	16.43 mm	S	lead
GR 64.7MS	16.43 mm	MS	standard
GR 64.7M	16.43 mm	M	standard
GR 64.7L	16.43 mm	MD	standard
GR 64.7XL	16.43 mm	D	standard
GR 64.7LD	16.43 mm	MD	standard
GR 64.7XL2	16.43 mm	D	standard
GR 64.7XS	16.43 mm	XS	lead
GR 65S	16.5 mm	S	lead
GR 65MS	16.5 mm	MS	standard
GR 65M	16.5 mm	M	standard
GR 65L	16.5 mm	MD	standard
GR 65XL	16.5 mm	D	standard
GR 65LD	16.5 mm	MD	standard
GR 65XL2	16.5 mm	D	standard
GR 65XS	16.5 mm	XS	lead
GR 65.6S	16.66 mm	S	lead
GR 65.6MS	16.66 mm	MS	standard
GR 65.6M	16.66 mm	M	standard
GR 65.6L	16.66 mm	MD	standard
GR 65.6XL	16.66 mm	D	standard
GR 65.6LD	16.66 mm	MD	standard
GR 65.6XL2	16.66 mm	D	standard
GR 65.6XS	16.66 mm	XS	lead
GR 66S	16.76 mm	S	lead
GR 66MS	16.76 mm	MS	standard
GR 66M	16.76 mm	M	standard
GR 66L	16.76 mm	MD	standard
GR 66XL	16.76 mm	D	standard
GR 66LD	16.76 mm	MD	standard
GR 66XL2	16.76 mm	D	standard
GR 66XS	16.76 mm	XS	lead
GR 3S	16.76 mm	S	lead
GR 3MS	16.76 mm	MS	standard
GR 3M	16.76 mm	M	standard
GR 3L	16.76 mm	MD	standard
GR 3XL	16.76 mm	D	standard
GR 66.5S	16.89 mm	S	lead
GR 66.5MS	16.89 mm	MS	standard
GR 66.5M	16.89 mm	M	standard
GR 66.5L	16.89 mm	MD	standard
GR 66.5XL	16.89 mm	D	standard
GR 66.5LD	16.89 mm	MD	standard
GR 66.5XL2	16.89 mm	D	standard
GR 66.5XS	16.89 mm	XS	lead
GR 66.6S	16.92 mm	S	lead
GR 66.6MS	16.92 mm	MS	standard
GR 66.6M	16.92 mm	M	standard
GR 66.6L	16.92 mm	MD	standard
GR 66.6XL	16.92 mm	D	standard
GR 66.6LD	16.92 mm	MD	standard
GR 66.6XL2	16.92 mm	D	standard
GR 66.6XS	16.92 mm	XS	lead
GR 66.8S	16.97 mm	S	lead
GR 66.8MS	16.97 mm	MS	standard
GR 66.8M	16.97 mm	M	standard
GR 66.8L	16.97 mm	MD	standard
GR 66.8XL	16.97 mm	D	standard
GR 66.8LD	16.97 mm	MD	standard
GR 66.8XL2	16.97 mm	D	standard
GR 66.8XS	16.97 mm	XS	lead
GR 66.9S	16.99 mm	S	lead
GR 66.9MS	16.99 mm	MS	standard
GR 66.9M	16.99 mm	M	standard
GR 66.9L	16.99 mm	MD	standard
GR 66.9XL	16.99 mm	D	standard
GR 66.9LD	16.99 mm	MD	standard
GR 66.9XL2	16.99 mm	D	standard
GR 66.9XS	16.99 mm	XS	lead
GR 67S	17 mm	S	lead
GR 67MS	17 mm	MS	standard
GR 67M	17 mm	M	standard
GR 67L	17 mm	MD	standard
GR 67XL	17 mm	D	standard
GR 67LD	17 mm	MD	standard
GR 67XL2	17 mm	D	standard
GR 67XS	17 mm	XS	lead
GR 67.4S	17.12 mm	S	lead
GR 67.4MS	17.12 mm	MS	standard
GR 67.4M	17.12 mm	M	standard
GR 67.4L	17.12 mm	MD	standard
GR 67.4XL	17.12 mm	D	standard
GR 67.4LD	17.12 mm	MD	standard
GR 67.4XL2	17.12 mm	D	standard
GR 67.4XS	17.12 mm	XS	lead
GR ZonyS	17.25 mm	S	lead
GR ZonyMS	17.25 mm	MS	standard
GR ZonyM	17.25 mm	M	standard
GR ZonyL	17.25 mm	MD	standard
GR ZonyXL	17.25 mm	D	standard
GR ZonyLD	17.25 mm	MD	standard
GR ZonyXL2	17.25 mm	D	standard
GR ZonyXS	17.25 mm	XS	lead
GR FD	16.76 mm	D	flugel_hybrid
GR WB	16.82 mm	S	lead
GR GOAT-LD	16.76 mm	MD	standard
GR GOAT-M	16.76 mm	M	standard
GR CS-FL	16.64 mm	D	flugel_hybrid
GR CS-MS	16.64 mm	MS	standard
GR CS-S	16.38 mm	S	lead
GR EM	16.43 mm	S	lead
GR NB	16.76 mm	M	standard

Official site