Various
Standard USGI T-handle charging handle, the baseline every upgrade is measured against
The standard USGI charging handle is a 7075-T6 forged aluminum T-handle that has shipped in every M16 and M4 variant since the design was finalized. It works. It has always worked. The reason the aftermarket charging handle category exists is not that the mil-spec handle fails, but that it was designed for a rifle without optics, accessories, or suppressor back-pressure.
The latch extends roughly 0.85 inches from the handle body on the left side only. Under a red dot or LPVO, that latch becomes difficult to reach without breaking your cheek weld. With gloves, it becomes a fumble drill. The roll pin that retains the latch is the structural weak point: repeated aggressive manipulation, particularly one-handed support-side charging, concentrates force on that pin until it shears. The handle itself is plenty strong, but the retention method was designed for two-handed operation at the bench, not dynamic weapons handling.
None of this matters if you are building a range rifle on a budget. The mil-spec charging handle charges the rifle, locks into battery with a positive click, and costs less than a box of brass-cased 5.56. It is the correct choice when money allocated to a charging handle upgrade would be better spent on ammunition, a sling, or a light. Upgrade when the latch size or ambidextrous operation becomes a genuine limitation for how you use the rifle, not before.
Add the Mil-Spec Charging Handle to your build and see how it enhances your platform.