Semi-automatic rifle restrictor mechanism

A method of converting a AR-style semi-automatic rifle to a single shot action rifle which consists of:

• a) removing the bolt carrier with carrier gas key from the upper component of said rifle;
• b) removing said carrier gas key from said bolt carrier;
• c) installing a dual-bored metal block gas blocking restrictor mechanism in place of said carrier gas key on said bolt carrier attached to said bolt carrier at said two threaded carrier gas key receiving orifices;
• and,
• d) inserting said bolt carrier with said metal block gas blocking restrictor mechanism into the upper component of said rifle so as to inhibit semi-automatic operation of said AR-style semi-automatic rifle by disabling the automatic gas casing ejection and automatic gas actuated bolt reset functionality.

A method of converting an AR-style semi-automatic rifle to a single shot action rifle which consists of:

• a) removing the charger handle and bolt carrier with carrier gas key from the upper component of said rifle;
• b) removing said carrier gas key from said bolt carrier;
• c) installing a block and a charge/pull handle combination mechanism in place of said carrier gas key on said bolt carrier, that includes a dual-bored and threaded metal block gas blocking restrictor mechanism and an extended, charging handle;
• and,
• d) inserting bolt carrier with said metal block gas blocking restrictor mechanism and said charge/pull handle combination mechanism into the upper component of said rifle.