MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Tuning slide: yellow brow bow; handslide: hand straightened nickel silver inside tube ( chrome plated with barrel chaped stockings) , nickel silver outside tubes with yellow brass end hook; bell: 7 3/4, 23 gauge red brass with soldered rim; mouthpiece: griego cs7; finish: clear lacquer or bright silver plate
MRC:
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.SUPP
Supplementary Features:
Hand engraving, custom etching avaible; 3580r custom series trombone features a .500"/.508" dual bore slide and red brass bell; only instruments newly ordered and shipped from the getzen compnay will include the new griego custom mouthpieces. Trombones already in dealer inventory may not include the mouthpieces
