Osprey Defense, LLC

États‑Unis d’Amérique

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GAS PISTON RETROFIT ASSEMBLY FOR A FIREARM

      
Numéro d'application US2009030774
Numéro de publication 2009/123775
Statut Délivré - en vigueur
Date de dépôt 2009-01-12
Date de publication 2009-10-08
Propriétaire OSPREY DEFENSE LLC (USA)
Inventeur(s) Griffin, Ritchie

Abrégé

A gas piston retrofit assembly for a firearm having a bolt assembly mounted within a receiver, a barrel extending forward from the receiver, and a front sight block mounted on the barrel, includes a gas tube extending into the front sight block fluidly connected with the barrel, a piston cylinder having an arcuate-shaped piston chamber fluidly connected to the gas tube, a piston including an arcuate-shaped piston head extending forward from a piston body and telescopically received in the piston chamber, and a piston rod extending rearward from the piston body dimensioned and configured to extend into the receiver for engaging with a bolt assembly within the receiver, a stop ring dimensioned and configured for mounting on the barrel and for limiting rearward motion of the piston body, a bushing through which the piston rod extends.

Classes IPC  ?

  • F41A 5/30 - Fonctionnement combiné à recul ou par emprunt des gaz, p. ex. choix de l'un des deux modes de fonctionnement