A case has a base end with a base plate and an open upper end thereby forming an interior recess. A spring has an upper end and a lower end positioned on the base plate. A follower is fabricated of metal with a polytetrafluoroethylene coating positioned within the recess upon the spring and with a central section having a downwardly extending front leg and a downwardly extending rear leg. The lower end of the rear leg has a 180 degree bend with an upwardly extending portion terminating in an inwardly extending portion overlying the central portion with a supplemental bend between the upwardly extending portion and the inwardly extending portion.