GR Trumpet Mouthpiece Options:63PM (Piccolo) Insert your H

Insert your H

The Mouthpiece Test

Reliable performance under all climate conditions thanks to resilient plastic comb

Newly Developed Scalloped Bracing

GR Trumpet Mouthpiece Options:63PM (Piccolo) Insert your HGR Mouthpieces are being played by the world's top call brass musicians, plus GR is the mouthpiece of choice for the finest performers, educators, and students. The GR 63 Series can be described as being between a Bach 7 cup diameter and a Bach 10 1 2. With various rim contours, alpha angles, cup volumes, and backbores, the GR 63 Series has many options for players who use this popular size. The GR 64 Series can be compared to a Bach 7 cup diameter.