Unlike some of my old work which is create from a cube, I am using a cylinder to create a better and smoother mesh.
The design isn't really based on the reference, I just use it for my convenience.
It's not final.
Update: 03/03 - Design were edited. 03/04 - New buttstock. 03/05 - Revised buttstock and pump. 03/07 - Added heat shield, rail, shell rack and shell. 03/08 - Little editing on end of main body and front sight. 03/09 - Small editing on pump and shell.