Finnish M31 vs KP44 - SMG Live Fire Comparison

Published on September 12, 2017
Duration: 10:10

This video provides an expert-level comparison of the Finnish M31 Suomi and KP44 submachine guns, featuring live-fire demonstrations and historical context. InRangeTV's Ian McCollum and Karl Kasarda analyze the distinct handling characteristics, rate of fire, and manufacturing differences between these iconic WWII-era SMGs, highlighting the M31's superior controllability and accuracy at distance.

Quick Summary

The Finnish M31 Suomi offers superior controllability and accuracy at 100 meters compared to the KP44, largely due to its optimized 800-900 RPM rate of fire, heavier milled receiver, and effective muzzle brake. The KP44, a lighter, stamped-receiver SMG, exhibits more muzzle rise and vibration.

Chapters

  1. 00:00Introduction: Finnish M31 vs KP44
  2. 01:15Historical SMG Overview
  3. 01:38M31 Suomi Live Fire & Controllability
  4. 03:38KP44 Live Fire & Comparison
  5. 04:51Rate of Fire Analysis
  6. 08:12100 Meter Accuracy Test

Frequently Asked Questions

What makes the M31 Suomi so controllable during full-auto fire?

The M31 Suomi's exceptional controllability is attributed to its optimal rate of fire (800-900 RPM), heavier milled receiver construction, and an effective muzzle brake, which collectively minimize muzzle climb and felt recoil, allowing for stable sight acquisition even during sustained bursts.

How does the KP44 compare to the M31 Suomi in terms of handling?

The KP44, being lighter and often featuring a stamped receiver, exhibits more significant muzzle rise and vibration during full-auto fire compared to the M31 Suomi. Its lower rate of fire can also lead to more pronounced individual jolts, making it harder to keep on target.

What is the significance of the receiver type (milled vs. stamped) in these SMGs?

The M31 Suomi's milled receiver signifies a higher-quality, more robust, and often more expensive manufacturing process. In contrast, the KP44's stamped receiver reflects a wartime necessity for faster, cheaper mass production, impacting its handling characteristics.

Can the M31 Suomi accurately engage targets at 100 meters?

Yes, the M31 Suomi demonstrated impressive accuracy at 100 meters during full-auto fire tests. It maintained a tight 'beaten zone,' indicating its stability and controllability allow for effective engagement at longer ranges than many other WWII-era submachine guns.

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