AERO PRECISION M5E1/AR308 CRITICAL COMPONENTS KIT

1st Rubber City Armory .308 High Pressure Firing Pin ( 3HP-FP ) 1st Rubber City Armory Cam pin 308 ( 308-CP ) 3st Rubber City Armory .308 Gas Rings 1st Rubber City Armory Extractor 1st Rubber City Armory Extractor Inner Spring 1st Rubber City Armory Extractor Outer Spring 1st Rubber City Armory Extractor Spring Rubber Insert 2st Rubber City Armory Extractor O-Ring 1st Rubber City Armory Extractor Pin 1st Rubber City Armory Ejector 1st Rubber City Armory Ejector Spring 1st Rubber City Armory Ejector Roll Pin) 1st Rubber City Armory Firing Pin Retaining Pin – .308 ( 308-RP ) .308 AR-10/SR-25/DPMS Bolt Rebuild Kit – All the spare parts you need to rebuild your bolt when gas rings and other “wear” parts are past their service life.