There are a number of ambi bolt release levers out there for the AR-15. Many people will know the Magpul BAD lever. However, this one is my favorite and the only one I use now. Here is my review of the Tactical Link Enhanced Battery Assist Lever (EBAL) : r ...
AR 15 BAD Lever In USMC Red | Colors Available | NDZ Performance
Ar-15/m16 Enhanced Battery Assist Lever – Enhanced Battery Assist Lever Fde | Yakimia