From Halopedia, the Halo wiki
The Square Enix Halo 4 Series 1 is a series of action figures produced by Play Arts Kai, a subsidiary of Square Enix. It was released in February 2013.
The Master Chief figure is John-117 clad in his upgraded MJOLNIR Mark VI armor. It comes with an MA5D Assault Rifle, a Plasma Pistol and two additional hands.
The figure wielding an assault rifle.
The figure with a plasma pistol.
The Spartan Warrior figure is a Spartan-IV wearing a blue-colored MJOLNIR GEN2 Warrior armor. It comes with a Battle Rifle, an M6H Magnum, two additional hands and a Play Arts Kai display stand.
The figure with a BR85.
The figure with a magnum.