Home Defense 5.56mm Ammo: IMI's Mk 262 Clone 77gr OTM gel test

Published on May 28, 2018
Duration: 4:45

This review tests IMI's 77gr OTM 5.56mm, a Mk 262 Mod 1 clone, using a 10.5-inch AR-15 barrel. The ammunition demonstrated impressive performance in ballistic gel, achieving an average velocity of 2439.60 fps. It exhibited deep penetration (16.2 inches) and significant expansion with substantial fragmentation, retaining 53.9 grains of its original weight. The speaker highly recommends it for home defense applications.

Quick Summary

IMI's 77gr OTM 5.56mm, a Mk 262 clone, averaged 2439.60 fps from a 10.5" barrel. It penetrated 16.2" in gel, retained 53.9gr, and expanded to 0.539", making it an excellent home defense round.

Chapters

  1. 00:00Intro: IMI 77gr OTM Mk 262 Clone
  2. 00:32Ballistic Gel Test Setup & Impact
  3. 01:03Gel Measurements: Penetration & Cavity
  4. 02:15Performance Summary: Velocity, Expansion, Weight
  5. 03:01Conclusion: Home Defense Recommendation

Frequently Asked Questions

What is the performance of IMI's 77gr OTM 5.56mm in ballistic gel?

IMI's 77gr OTM 5.56mm achieved 16.2 inches of penetration, retained 53.9 grains of its weight, and expanded to 0.539 inches. It also created a significant temporary cavity.

What velocity did the IMI 77gr OTM 5.56mm achieve from a 10.5-inch barrel?

From a 10.5-inch barrel with a 1:7 twist, the IMI 77gr OTM 5.56mm ammunition averaged 2439.60 feet per second during the ballistic gel test.

Is IMI's 77gr OTM 5.56mm suitable for home defense?

Yes, the reviewer concludes that the IMI 77gr OTM 5.56mm is an outstanding choice for home defense due to its deep penetration and significant wounding potential, even from short-barreled rifles.

What are the key features of IMI's 77gr OTM 5.56mm ammunition?

This ammunition is a clone of the Mk 262 Mod 1, featuring a sealed primer and an annealed case. It's designed for effective terminal performance.

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