説明
  • Must be use original #23 24 25 27 28 29 31 when assembling
  • Before pushing bolt into frame that need to keep hammer pull down and valve knocker locker (original #82) press down.If fires before pusing bolt into frame that have to pull hammer down and press valve knoc-ker locker down again,or bolt will stuck in helf strocke。
  • When operating,need to pull and push charging handle quickly.
  • Please DO NOT installation ESD Steel Effcient Air Flow Kit on this bolt carrier,or nozzle will broke.