Today Remington introduced its RP9, a striker-fired polymer semi-auto pistol platform. Current chambering is 9mm: the line will grow to include .45 ACP. The RP features an ambidextrous slide lock, a reversible magazine release and a single-action trigger. And perhaps it's most notable feature? An 18-round double-stack magazine! Suggested retail price is expected to be around $449. We'll have more information as it breaks.
In the meantime, more features and specifications are outlined here: