Driven by over a decade of feedback from real-world combat operations, BCM has made continual design refinements and structural improvements to the charging handle in the M4 and M16 to address the current manual of arms for the weapon system. Optimizing the contours into a snag-free profile that facilitates immediate manipulation with an end user's reaction side grip, the range of BCM Charging Handles is available with both ambidextrous and asymmetric controls as well as a size range accommodate different end- users handsize.