The PM400™ has arrived. And it’s well worth the wait.A direct gas impingement system combined with the technological advancements of theSIG516® results in superior accuracy, reliability and ambidextrous ergonomics. Exceedingmilitary specifications, it will exceed your every expectation. The PM400 is equippedwith the SB-15 stabilizing brace for support and accuracy on the range or on the hunt.