Description
Item Description
Bryant Ridge Co. is pleased to present this awesome semi-automatic rifle today for a penny-start auction; this is the TNW Suomi M31 SA.
SPECIFICATIONS:
Manufacturer: TNW Firearms Inc.
Model: Suomi M31 SA
Serial: H003545
Date of Manufacture: 2013-2014
Caliber: 9x19mm (9mm)
Finish: Parkerized
Barrel Length: 16"
Optics/Sights: Elevator Style Adjustable Rear w/ Dovetailed Blade Front
Stock/Grips: Smooth Walnut Stock w/ Metal Buttpad
Action: Semi-Automatic
Markings: Standard
Bryant Ridge's Analysis:
The TNW Suomi M31 SA is a semi-automatic civilian reproduction of the legendary Finnish Suomi KP/-31 submachine gun, originally designed by Aimo Lahti and widely used during the Winter War (1939–1940) and Continuation War (1941–1944). Produced by TNW Firearms, the M31 SA captures the look and feel of the original military firearm while complying with modern U.S. regulations through a closed-bolt, semi-automatic operating system. Chambered in 9mm, it is compatible with the iconic Suomi drum magazines (typically 71-round capacity) as well as stick magazines, making it both a functional shooter and a historically inspired platform. Historically, the original Suomi M31 earned an outstanding reputation for its exceptional reliability, accuracy, and high rate of fire, particularly in harsh winter conditions where many other firearms struggled. Finnish forces used it to great effect against Soviet troops, and its performance influenced the development of other submachine guns worldwide. The TNW version preserves this heritage while offering modern shooters the opportunity to own a piece of that history in a legal, semi-automatic format. From a collector and enthusiast standpoint, the TNW Suomi M31 SA holds strong appeal due to its faithful reproduction of a historically significant firearm combined with practical shootability. While it lacks the full-auto capability of the original, it retains the distinctive profile, heavy milled construction, and drum-fed configuration that made the Suomi famous. For those interested in World War II firearms, especially lesser-seen European designs, the TNW Suomi offers a unique blend of history, engineering, and range enjoyment.
Contents:
Model: Suomi M31 SA
Serial: H003545
Date of Manufacture: 2013-2014
Caliber: 9x19mm (9mm)
Finish: Parkerized
Barrel Length: 16"
Optics/Sights: Elevator Style Adjustable Rear w/ Dovetailed Blade Front
Stock/Grips: Smooth Walnut Stock w/ Metal Buttpad
Action: Semi-Automatic
Markings: Standard
Bryant Ridge's Analysis:
The TNW Suomi M31 SA is a semi-automatic civilian reproduction of the legendary Finnish Suomi KP/-31 submachine gun, originally designed by Aimo Lahti and widely used during the Winter War (1939–1940) and Continuation War (1941–1944). Produced by TNW Firearms, the M31 SA captures the look and feel of the original military firearm while complying with modern U.S. regulations through a closed-bolt, semi-automatic operating system. Chambered in 9mm, it is compatible with the iconic Suomi drum magazines (typically 71-round capacity) as well as stick magazines, making it both a functional shooter and a historically inspired platform. Historically, the original Suomi M31 earned an outstanding reputation for its exceptional reliability, accuracy, and high rate of fire, particularly in harsh winter conditions where many other firearms struggled. Finnish forces used it to great effect against Soviet troops, and its performance influenced the development of other submachine guns worldwide. The TNW version preserves this heritage while offering modern shooters the opportunity to own a piece of that history in a legal, semi-automatic format. From a collector and enthusiast standpoint, the TNW Suomi M31 SA holds strong appeal due to its faithful reproduction of a historically significant firearm combined with practical shootability. While it lacks the full-auto capability of the original, it retains the distinctive profile, heavy milled construction, and drum-fed configuration that made the Suomi famous. For those interested in World War II firearms, especially lesser-seen European designs, the TNW Suomi offers a unique blend of history, engineering, and range enjoyment.
Contents:
This example will ship with three stick magazines (36 round capacity) and two drum magazines (71 round capacity).
Return Policy:
We gladly offer a 3-day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Return Policy:
We gladly offer a 3-day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Shipping Details
Handgun Standard Shipping with Insurance $50.00
Long Gun Standard Shipping with Insurance $70.00
Any orders placed with magazines that are not compliant with your state, county, or city regulations will not ship with your order.
We strive to ship orders within the close of the following business day after payment and documentation is received.
Payment Details
We accept all forms of Payment including Personal Check, Business Check, PO Money Orders, Certified Check, Etc.
Please note we place a 7 business day hold on shipment, for all non-certified payments.
Payment MUST be received within 14 days.
Return Policy
We gladly offer a 3 day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Additional Details
Our #1 priority is customer satisfaction. We want to build a lasting trust in the relationship with our customers, so that you will always look to us for all your firearms needs. If you have any issues with your transactions please contact us, and we will work with you to resolve any issues you may have. We greatly appreciate your trust in us and we look forward to fulfilling all your future firearm needs.
Bryant Ridge also reserves the right to cancel any sales that may occur while gunbroker.com is experiencing technical issues that affects the entire site or a complete site outage, within an hour of the auction ending.
We have an amazing inventory of classic and collector firearms that we are adding to Gunbroker daily. Stay up to date on all of our latest auction by adding us to your favorite sellers list.
Additional Information
GunbrokerLink: |
https://www.gunbroker.com/item/1164578738 |
BidPrice: |
605 |
AuctionEndDate: |
2026-04-05 21:00:00 |
CurrentBid: |
1480 |





