This test was based on two previous systems assessments that were conducted using the M4 carbine and M16 rifle at Aberdeen Proving Ground in 2006 and the summer of 2007 before the third limited competition in the fall of 2007.
Ovaj test temelji se na dva prethodna sustava procjene koja su već provedena na M4 karabinu i M16 pušci u Aberdeenu 2006. i u ljeto 2007., prije trećeg ograničenog javnog natječaja u jesen 2007.