Umarex High Speed Buffer Retainer & Spring Set For M110A1 GBB Airsoft Rifle (Part# 02-11, 02-12, 02-

Key Feature Metal Construction Airsoft High Speed Buffer Retainer & Spring Set Design For Replace the Original Parts (# 02-11, 02-12, 02-13) Suitable For M110A1 Gas Blow Back GBB Airsoft Rifle