A pistol caliber blowback operated bolt carrier group is provided with an integrated gas key. The carrier group providing a bolt carrier having elongated generally cylindrical body and a gas key integrally formed into a top portion of the body

An upper receiver is disclosed. The firearm contains a bolt carrier assembly positioned within the upper receiver, a recoil spring guide rod, wherein the bolt carrier assembly is configured to slide along the recoil spring guide rod between a locked position and an unlocked position, and a first recoil spring, wherein the recoil spring guide rod is positioned within the first recoil spring.

An upper receiver is disclosed. The firearm contains a bolt carrier assembly positioned within the upper receiver, a recoil spring guide rod, wherein the bolt carrier assembly is configured to slide along the recoil spring guide rod between a locked position and an unlocked position, and a first recoil spring, wherein the recoil spring guide rod is positioned within the first recoil spring.

A forward charging system is disclosed. The forward charging system contains a charging trolley containing one or more channels configured to accommodate one or more rails associated with a hand guard, wherein the charging trolley is movable along the one or more rails between a rest position and a charging position, and a rod coupled to a rear portion of the charging trolley, the rod is configured to move a bolt carrier assembly away from a locked position when the charging trolley is moved away from the rest position.

A forward charging system is disclosed. The forward charging system contains a charging trolley containing one or more channels configured to accommodate one or more rails associated with a hand guard, wherein the charging trolley is movable along the one or more rails between a rest position and a charging position, and a rod coupled to a rear portion of the charging trolley, the rod is configured to move a bolt carrier assembly away from a locked position when the charging trolley is moved away from the rest position.

A forward charging system is disclosed. The forward charging system contains a charging trolley containing one or more channels configured to accommodate one or more rails associated with a hand guard, wherein the charging trolley is movable along the one or more rails between a rest position and a charging position, and a rod coupled to a rear portion of the charging trolley, the rod is configured to move a bolt carrier assembly away from a locked position when the charging trolley is moved away from the rest position.

A forward charging system is disclosed. The forward charging system contains a charging trolley containing one or more channels configured to accommodate one or more rails associated with a hand guard, wherein the charging trolley is movable along the one or more rails between a rest position and a charging position, and a rod coupled to a rear portion of the charging trolley, the rod is configured to move a bolt carrier assembly away from a locked position when the charging trolley is moved away from the rest position.

A slide action conversion assembly for converting a gas operated rifle into a manually operated slide action rifle. The conversion assembly replaces the gas operating system of the rifle with a linkage assembly attached to the original bolt carrier at a rearward end and to a sliding handguard grounded to a replacement stationary handguard at forward end. The linkage reciprocates within one degree of freedom along a path parallel to the barrel in order to manually cycle the converted firearm. The conversion assembly further incorporates a sliding handguard locking mechanism to prevent manual cycling when the firearm is in battery.

A slide action conversion assembly for converting a gas operated rifle into a manually operated slide action rifle. The conversion assembly replaces the gas operating system of the rifle with a linkage assembly attached to the original bolt carrier at a rearward end and to a sliding handguard grounded to a replacement stationary handguard at forward end. The linkage reciprocates within one degree of freedom along a path parallel to the barrel in order to manually cycle the converted firearm. The conversion assembly further incorporates a sliding handguard locking mechanism to prevent manual cycling when the firearm is in battery.

A firearm is disclosed. The firearm contains a lower receiver containing a first opening, wherein the first opening is configured to accommodate a firing mechanism, an upper receiver removably coupled with the lower receiver, a barrel removably coupled with the upper receiver, a bolt carrier assembly positioned within the upper receiver, wherein the bolt carrier assembly is movable between a locked position and an unlocked position, wherein the bolt carrier assembly contains a rear surface, wherein the rear surface of the bolt carrier assembly is positioned between the barrel and the first opening when the bolt carrier assembly is in the locked position.