I dug this up, it's pretty old so I just wanted to see how todays numbers stack up and if the brands listed would be about the same..
AR 15 TYPE RIFLES MANUFACTURED - YEAR 2000
# of Rifles Manufacturer
39,932 BUSHMASTER FIREARMS, INC.
29,950 COLT'S MANUFACTURING CO.
8,475 ARMALITE, INC.
5,869 DPMS ARMS, INC.
3,910 OLYMPIC ARMS, INC.
2,964 PWA, INC.
2,614 PROFESSIONAL ORDNANCE, INC.
967 HESSE, LTD.
191 ROCK RIVER ARMS, INC.
AR 15 TYPE RIFLES MANUFACTURED - YEAR 2000
# of Rifles Manufacturer
39,932 BUSHMASTER FIREARMS, INC.
29,950 COLT'S MANUFACTURING CO.
8,475 ARMALITE, INC.
5,869 DPMS ARMS, INC.
3,910 OLYMPIC ARMS, INC.
2,964 PWA, INC.
2,614 PROFESSIONAL ORDNANCE, INC.
967 HESSE, LTD.
191 ROCK RIVER ARMS, INC.