This piece specifically fits the model made by the following author. By purchasing this model, it means that you have taken responsibility for making this part fit. 
Author of the base model: bankai
Formats: Z3D,OBJ
3D Model Specificatons
Low Quality Verticies - 11,664
Low Quality PolyCount (Traigles) -  7,452
Medium Quality Verticies - 21,200
Medium Quality PolyCount (Triangles) - 16,206
Textures - no
Uv Mapped - No
*3D Model Disclaimer - This Is Not A Real Life Part And Is Meant For 3D Model Design Only