ENHANCED GAS ADJUSTABLE BOLT CARRIER

Disclosed is bolt carrier for a firearm wherein the bolt carrier has an adjustable gas flow feature to control the amount of gas used to cycle a bolt carrier group that the bolt carrier is located in. The adjustment of the gas flow can be used to regulate the gas flow as require by changes in ammunition, addition or removal of a sound suppressor, and a desire to alter felt recoil of the firearm. The gas flow feature includes one or more gas adjustment valves that fit into the bolt carrier and that can be used to reliably and rapidly alter the gas flow in a repeatable fashion to cycle the bolt carrier group. 1. A bolt carrier for a firearm comprising:a bolt carrier having a gas hole, said gas hole in communication with an internal space in said bolt carrier, said internal space forming a portion of a gas chamber; anda gas valve bore in said bolt carrier, said gas valve bore in communication with said gas hole and said internal space, and said gas valve bore adapted to receive a gas adjustment valve for regulating a flow of a gas from said gas hole into said internal space.2. The bolt carrier as recited in further comprising a gas adjustment valve claim 1 , said gas adjustment received in said bore claim 1 , and said gas adjustment valve regulating a flow of a gas from said gas hole in said bolt carrier into said internal space.3. The bolt carrier as recited in claim 2 , wherein said gas adjustment valve has a shaft with said shaft being received in said bore.4. The bolt carrier as recited in claim 3 , wherein said shaft has a shape matching a shape of said bore and said shape of said shaft and said shape of said bore prevent rotation of said shaft in said bore.5. The bolt carrier as recited in claim 1 , wherein said gas valve bore passes through said bolt carrier claim 1 , said bore having a first end and a second end.6. The bolt carrier as recited in claim 5 , wherein said first end has a first diameter and said second end has a second diameter claim 5 , with said ...

Electrothermogenic device for humidifiers

Whippletree clip

Humidifying device for ovens.

Toothed implement

Composition for shoe soles and heels.