It might have had something to do with Remington not submitting samples for the original contract competition that Mossberg won back in 1979 or so.
BTW, the mil standards are a bit different now than they were then- you can see them all in .pdf format at
http://www.assistdocs.com/search/do...1&PaginatorPageNumber=119&search_method=BASIC
Title: Shotgun, 12 Gage, Riot-Type
Scope: This specification covers the requirements, examinations and tests for three types and two classes, of manually operated, slide action, hammerless, 12 gage riot-type shotguns (see 6.1).
Media Document Part Description Part Date Pages Size
Revision G Notice - Inactivation 1 12-Dec-1995 1 16.7 KB
Revision G 04-Oct-1993 40 570.5 KB
Revision E 20-Mar-1989 36 1376.0 KB
Revision D 05-Nov-1975 25 875.8 KB
Feel free to put as much confidence in military purchasing officials as you like... having been through part of the course myself at one time as a DA civilian employee, I'd rather make up my own mind what to buy based on my own set of standards.
lpl/nc