Patent ID: 7487728

Claim:
A chemiluminescent light emitting plastic training projectile comprising: an outer casing adapted to permit the passage of light therethrough, said outer casing having a first end and a second end and a continuous sidewall therebetween, said sidewall having an inner surface and an outer surface; first and second chemiluminescent reactants placed within said outer casing; a sealing cap adapted to sealingly engage said outer casing adjacent said second end thereof; and a barrier device adapted to be positioned within said outer casing to substantially segregate said first and second chemiluminescent reactants said barrier device is constructed and arranged to have an interference fit with said inner surface of said continuous sidewall, said interference fit within the range of about 0.015″-0.06″; whereby sizing of said interference fit within said range enables said projectile to incorporate tracing, marking or combined tracing and marking functionality.