Rise Armament Extended Latch Charging Handle, Fits AR-15, Anodized Finish, Black RA-212-BLK The purpose of an AR 15 charging handle is very simple: It charges your rifle. It certainly isn't as glamorous as an AR-15 trigger or an AR-15 handguard" but it serves its purpose. And just like rifles themselves" some charging handles are better than others; this leads to the RISE Armament RA-212 Extended Latch Charging Handle.