Systems and methods for simulated rifle rounds

An apparatus, comprising:

• a bolt assembly;
• and
• a targeting system mount coupled to the bolt assembly;
• wherein:
• the bolt assembly includes a bolt body member, the bolt body member having a proximal end portion and a distal end portion, and the bolt body member defining a longitudinal axis extending from the proximal end portion to the distal end portion;
• the bolt assembly includes a bolt chamber interface attached to the distal end portion, the bolt chamber interface being configured to nest within an interior wall of a firearm chamber, and the bolt chamber interface being configured to limit rotational and axial movement of the bolt assembly relative to the firearm chamber;
• and
• the target system mount is configured to secure a laser targeting system to the distal end portion of the bolt body member.

A method of converting a firearm to fire a simulated round, comprising:

• removing a stock bolt carrier assembly and a stock bolt assembly from a firearm;
• and
• installing a trainer bolt carrier assembly and a trainer bolt assembly into the firearm, the trainer bolt assembly defining an interior volume and including an inner core,
• the interior volume configured to receive a pressurized gas from a trainer magazine;
• and
• the inner core configured to move in a distal direction within the interior volume when the firearm is fired, movement of the inner core in the distal direction configured to release a portion of the pressurized gas from the interior volume into the trainer bolt carrier assembly to cause the trainer bolt carrier assembly to move proximally relative to the trainer bolt assembly.