Alrighty then, before the giant response of obvious replies.
Fill in your location. If youre in Canada or the USA, there are far better choices available to you, Unfortunately, I am forbidden to tell you where and how to obtain the guns.
Personally, I would choose the M416-S, as it seems suited for both CQB and field, since it has a longer overall length, a continuous top rail which is better for optics, and that's just my preference
Essentially, they're the exact same thing, with some minor differences, such as the size, rails, the top rail being elongated on the M416-s, etc.
Proud Member of the Strelok society
Whoa guy with the thumb rings, save some pussy for the rest of us
Welcome to Bed Bath and Beyoncé, if you find anything you like, put a ring on it.
What idiot called them Black Bears instead of African Abearicans