Benelli haulikon (SL80 M1) locking head catch

Benelli malli: Black Eagle, M1, M2, m2 Speed, m2-23, M3, Montefeltro-22, Raffaello, Raffaello-13, S.90/Montefeltro, SBE, SBE 3, SBE II

Benelli malli: Argo/Argo-E, Black Eagle, Endurance, M1, M2, m2 Speed, m2-23, M3, M4, Montefeltro-22, MR1, Nova, Nova Speed, Raffaello, Raffaello-13, S.90/Montefeltro, SBE, SBE 3, SBE II, SuperNova, SuperVinci, Vinci