Tactical rail-mounted ammunition caliber tag (trac tag) and modular identification system

An identification tag system for a firearm, the system comprising:

• a main body having an exterior surface and an underside mounting face;
• an inscription surface formed on the exterior surface;
• at least one mounting aperture extending through the main body, the at least one mounting aperture configured to receive a fastener;
• and
• a canting surface formed on the main body, the canting surface comprising an angled face configured to facilitate ergonomic handling.

A method of visibly displaying information on a weapon platform having an accessory rail, the method comprising the steps of:

• providing a modular tag having a main body and an integral inscription surface displaying visual information;
• aligning the modular tag with the accessory rail;
• applying pressure to the modular tag to engage a mounting structure on the tag with the accessory rail;
• and
• confirming a secure installation of the modular tag by receiving one of an audible snap and a tactile feedback from the engagement of the mounting structure.