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Stemple Takedown Gun (STG) 76W Stemple-Suomi
In 2003, BRP CORP, along with the help of the original inventor, John Stemple, manufactured the first Stemple Takedown Gun (STG) setups. These are complete new parts packages installed on unmodified/transferable Stemple 76/45 machine gun receiver tubes. These ‘takedown’ systems of interlocking subassemblies can be easily attached to and removed from the 76/45 receiver. This method of assembly is ATF approved. These machineguns are fully transferable to individuals.
Finnish KP31-based Setups
The Stemple 76/45 is roughly a 45ACP version of the 9mm S&W 76. The S&W 76 design was heavily inspired by the Swedish K/Carl Gustov M45. The M45 uses the same barrels and magazines as the Swedish M37. The M37 is a short-barreled version of Finland's KP31. Since the Stemple 76/45 drew its roots from the Finnish KP31, it was a natural fit to use original Finnish and Swedish parts in the Stemple 76/45 system.
STG-76W: The STG-76W more closely resembles the original Finnish KP31 by using the original Finnish KP31 wood stock & fire-control housing. It can be equipped with short M37 barrel/shroud, M31 barrel/shroud, or suppressed setup. Bipods are available for all patterns.


STG 76W is featured on the front cover of Shotgun News READ HERE

An article about famous Finnish soldier who used the Suomi KP31:
http://www.mosinnagant.net/finland/simohayha.asp
STG-76/31W (shown w/ Finnish KP 31 barrel and sling)

included accessories

STG-76/31W (shown with included bipod)

STG-76 31W disassembly

STG Operator's Manual click on link for pdf download
Price: $7000
Includes 2 magazines, 2 drums, bipod, multi-tool, barrel locknut wrench, sling, and spare buffer
4 Patterns Available:
1) Finnish Standard M31 Slant-Cut Shroud (13 in. barrel)
2) Finnish Compensated M31 Shroud (13 in. barrel)
3) Swedish M37 Short Shroud (7.5 in. barrel)
4) Threaded Barrel Setup (1/2 - 28) for Suppressor (8.5 in barrel)
Package Deal: $7200
Includes 2 magazines, 2 drums, bipod, barrel locknut wrench, multi-tool, spare buffer, sling, and wooden transit chest (pictured below)


STG76W M37 Setup
Suomi KP31 in the Movies and the STG76W
200 Meter Accuracy Video
Customer Videos
Why the Suomi KP31 was so effective (approx 2 minute mark)... it's accurate, high capacity, and hard to run from, especially in the snow. The Stemple 76W has all the same attributes.
email: info@brpguns.com