The Weapons Armorer Sully AR Ejector Tool is designed to be used for installation and removal of the ejector on AR style bolt assemblies. The Sully Ejector Tool can also be used for installation of the extractor pin as well. Note: The LR-308 tool can also be used for ejector installation/removal on the Remington 700 and Savage SA/LA (Short Action and Long Action) type rifles, like the 10,110, 11, Stevens 200, etc.