us army game changer, page-3

"The Pentagon plans to purchase at least 12,500 of the guns -- at a price tag of 25,000 to 30,000 dollars each -- beginning next year, enough for one in each Infantry squad and Special Forces team."

Perhaps not be a substitue for 3gl or maul, only one per unit whereas mst weapon may just attach to a rifle, is light and can be on many weapons in a unit, plus allows quick shots of multiple rounds. A complementary weapon I think.