MP-40/I: The Dual-Magazine Experimental MP-40
This guide details the installation and operation of the experimental MP-40/I dual-magazine housing, as explained by Ian McCollum of Forgotten Weapons. It covers replacing the standard housing with the wider unit, inserting two 32-round magazines, and the sliding mechanism used to switch between them. The guide also touches on potential drawbacks like increased weight and stock compatibility issues, reflecting the experimental nature of the device.








