Im looking into ordering a A&K masada ACR but dont know what color?

im looking to buy a A&K masada ACR but don't know what color tan or black i live in texas its very sandy but still don't know what color since black has nice outline while tan is different it stands out so pleas help iv been debating over these for 2 weeks (crazy) but i want to make sure i get the one i want. Separately what battery will fit in the hand rail ,and will a 7.2v 2000mAh battery fit , if not what can i get for it to fit.