1. Three-dimensional Pro-Engineer® model of Ml6 bolt from US Army Testing and Armament Command. Rock Island, IL
2. Structural and thermal simulation with pro/engineer wildfire training guide. Parametric Technology Corporation; 2003
3. Individual weapon systems and 3-D technical data development team. US Army Testing and Armament Command, Rock Island, IL
4. Alloy data carpenter no. 158® Alloy. Carpenter Technology Corporation; 1981