Abrégé

A gas operating system for a firearm includes a gas block, a barrel nut that maintains the gas block at a predetermined axial position on a barrel of the firearm, a member that is movable with respect to the gas block axially with respect to the barrel in response to pressure exerted by expanding propellant gases conveyed thereto by the gas block and a mechanical linkage receiving a force form the member urging it in an axial direction of the barrel and coupled with a loading and ejection mechanism of the firearm to convey the force thereto for operating the loading and ejection mechanism. Various embodiments of gas block assemblies and operating rods for gas operating systems for firearms are provided.

Classes IPC  ?

• F41A 5/26 - Dispositions ou systèmes pour évacuer les gaz du tube de l'arme
• F41A 5/18 - Mécanismes ou systèmes automatiques de déverrouillage de la culasse à l'aide d'une force créée par une charge propulsive par emprunt des gaz

Abrégé

An improved bolt carrier for a firearm is provided that improves the overall reliability and performance of the firearm bolt assembly. The bolt carrier includes a bolt with a body having a number of lugs extending therefrom. The bolt includes an extractor recess sized and configured to avoid any undercut of the lugs adjacent the recess. The bolt also includes an extractor pivotably engaged in a recess formed in the bolt. The extractor has a pair nipples on flanges configured to engage a pair of integrally buffered springs disposed on a tapered spring well on either side of a firing pin bore extending through the bolt.

Classes IPC  ?

• F41A 19/64 - Mécanismes de mise à feu électriques pour le tir automatique ou le tir par rafales
• F41A 15/00 - Extracteurs de cartouche, c.-à-d. dispositifs pour retirer les cartouches ou les douilles au moins partiellement de la chambre de cartoucheÉjecteurs de cartouche, c.-à-d. dispositifs pour éjecter les cartouches ou les douilles retirées de l'arme à feu