The glenfield line was introduced so discount box store could sell economical Marlins but not under cut the small shops and stores handeling the Marlin line.
64 -65 the 36 G
66 - 72 the 30
73 - 83 the 30 A ( I have a 30A made in 71?)
79 -80 30 GT
83. 30 AS
5,930 total model 36 G s were manufactured.
Colonel Brophys book. Page 267
