This is a posable, high-grade or better injection-plastic kit of an item from the Gundam universe.
From Bandai, here's a High-Grade model kit of the MSZ-006A1 Zeta Plus (Unicorn Ver.) from "Gundam Unicorn". The Zeta Plus comes with armed with a beam rifle, shield, beam saber and beam cannon. You can even choose to display it in Mobile Suit mode or in Wave Rider Mode! Marking stickers are also provided.