This is one of the most detailed set of drawings for the construction of a PPSh 41.

One of the most massed produced sub-machine guns of it's time.

This file presents the complete machinist plans for the famous PPSh 41. Containing 26 pages of comprehensive drawings for the construction of the gun, this is the complete submachine gun designer's handbook for the PPSh 41.

If your interested in the construction of the PPSh 41, then these are the plans you need.