[h=2]Do we really need a bigger charging handle on our ARs?[/h]
Need is subjective.
Here is your test for putting crap on the gun: "Does this widget solve a problem for me?"
If yes, put the silly widget on the gun.
If no, leave it in the Brownell's catalogue.
If you do not know, don't buy it.
. . . My friend ... tells me the stock stuff is better because the rifle was designed with those in mind...
And the BCM handles weren't designed with the rifle in mind??? Um, no. Specious argument.