I wrote to Mossberg for information on the New Haven about a year ago. Maverick Arms responded to my inquiry and explained that the New Haven 600 was identical to a Mossberg 500. The New Haven was supposed to be an upgrade to the 500 and was introduced in 1977. The telephone number to Maverick...
Gunners Trading Post - Fur, Inc. Phil Welty, 878 W.
Waterworks Road, Wabash, IN 46992 Tel.: (260)569-
0900
Gun shop in the front, skinning business in the back.