1 - hilt pistols - NURBS - Sphera deformation lattice and moving control vertex.
2 - striker NURBS cylinder moving and deformation control vertex
3 - poligonal cylinder - deformation lattice
4- EP curve - revolve
5 - make curve in illustrator and Bevel+
6- Polygon sfera and Cut Faces or boolen cub
7- EP curve - extrud - deformation control vertex scale and move
8 - Polygon sphera + lattice
Sorry for my english !