The STG-M1A is a unique firearm that legally functions as a Stemple 76/45 while visually mimicking a Thompson submachine gun. It achieves this by housing an unmodified Stemple receiver tube within a custom-built Thompson-style receiver housing. This build offers the aesthetic and ergonomics of a classic Thompson at a lower cost and with less wear on rare original parts.
The STG-M1A is a unique submachine gun built by BRP Corp, legally a Stemple 76/45 but externally resembling a Thompson M1. It cleverly utilizes transferable Stemple tube receivers combined with inexpensive Russian lend-lease Thompson parts kits. This build offers the aesthetic and operational feel of a Thompson at a more accessible price point, while its modular design allows for easier maintenance and replacement of parts.
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