The Clone Trooper Gunner gear is 
700.The Clone Trooper Gunner is a clone in the Grand Army of the Republic. He mans heavy turbolasers on many Republic ships. The boots and gloves are 100 Credits each. The armor is 300 Credits. The helmet is 200 Credits. The promo image shows a Phase I helmet, but when equipped, the helmet is shown in Phase II.
A Clone Trooper Gunner
Clone Gunner Boots
Clone Gunner Gloves
Clone Gunner Armor
Clone Gunner Helmet