Here's the model history, shows the different depths of the hollow bodies:
McCARTY HOLLOWBODY: 1998 - Current. Hollowbody - carved spruce top with carved mahogany back and sides. Hollowbody I - carved maple top with carved mahogany back and sides. Hollowbody II - carved maple top and back with mahogany sides. All models are 1 3/4" depth at rim, 3" depth at bridge, 22-fret wide-fat mahogany neck, rosewood fretboard, PRS adjustable stoptail bridge, and McCarty Archtop pickups with 3-way toggle. Piezo bridge pickup option added in 1999.
McCARTY ARCHTOP: 1998 - 2001. Archtop - carved spruce top, carved mahogany back and sides. Archtop I - carved maple top with carved mahogany back and sides, Archtop II - carved maple top and back with mahogany sides and rosewood headstock veneer. All models are 2 3/4" depth at rim, 4" depth at bridge, 22-fret wide-fat mahogany neck, rosewood fretboard, PRS adjustable stoptail bridge, and McCarty Archtop pickups with 3-way toggle. Piezo bridge pickup option added in 1999.
McCARTY ARCHTOP ARTIST: 1998 - 2001. Specs similar to Archtop II, but with artist grade figured maple top and back, Brazilian rosewood fretboard, abalone bird inlays with 14k gold outline. Each guitar numbered on back of headstock. Click here for a picture of a McCarty Archtop Artist.
ARCHTOP: 2002 - 2004. Carved spruce top, carved artist grade maple back with carved mahogany sides. 2 3/4" depth at rim, 4" depth at bridge, 22-fret wide-fat mahogany neck, Brazilian rosewood fretboard and headstock veneer, Paua birds and signature, PRS adjustable piezo stoptail bridge, gold hardware, and McCarty Archtop pickups with 3-way toggle and piezo electronics. Click here for a picture of an Archtop.