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Federal 5.56 T556TNB1 62gr OTM Mod0 (SOST) Ballistics Gel Test (HD)

Mrgunsngear Channel
Published on March 17, 2013
Category: Tactical & Gear
Duration: 4:33

This video details a ballistics gel test of the Federal 5.56 T556TNB1 62gr OTM Mod0 (SOST) ammunition. The test highlights the round's barrier blind capabilities, short barrel optimization, and gyroscopic stability. Performance metrics include average velocity, energy, penetration depth, and recovered projectile weight, offering insights into its terminal ballistics.

Tags

Federal 5.56 T556TNB1
62gr OTM Mod0
SOST Ammunition
Ballistics Gel Test
5.56x45mm NATO
Short Barrel Optimization
Barrier Blind Load
Gyroscopic Stability
1:7 Twist Barrel
Ballistic Performance
Fragmenting Ammunition

Quick Summary

The Federal 5.56 T556TNB1 62gr OTM Mod0 (SOST) is a 62-grain Open Tip Match round optimized for short barrels and designed as a barrier blind load. In testing from a 16-inch barrel, it achieved an average velocity of 2997 fps and 1235 ft-lbs of energy, demonstrating significant penetration and fragmentation in ballistic gel.

Chapters

  1. 00:12Introducing the Federal 5.56 SOST Ammunition
  2. 00:20SOST Round Features: 62gr OTM, Mod Zero
  3. 00:33Gyroscopic Stability and Barrel Twist Rate
  4. 00:55Barrier Blind and Short Barrel Optimization
  5. 01:14Test Setup: 16-inch FN Barrel
  6. 01:42First Shot Ballistics Gel Results
  7. 01:48Second Shot Expansion and Wound Channel
  8. 02:21Second Shot Penetration Depth
  9. 02:37Recovered Projectile and Fragments
  10. 03:00Test Statistics: Penetration, Fragmentation, Weight
  11. 03:20Average Velocity and Energy
  12. 03:36Presenter's Reaction and Surprise
  13. 03:59Suitability for Civilian vs. Military Use
  14. 04:13Viewer Questions and Channel Outro

Frequently Asked Questions

What are the key features of the Federal 5.56 T556TNB1 62gr OTM Mod0 (SOST) ammunition?

The Federal 5.56 T556TNB1 62gr OTM Mod0, also known as the SOST or Mod Zero round, is a 62-grain OTM (Open Tip Match) bullet. It's designed as a barrier blind load and optimized for short barrels, featuring enhanced gyroscopic stability.

What was the average velocity and energy of the Federal 5.56 SOST round in the test?

When fired from a 16-inch barrel, the Federal 5.56 SOST ammunition averaged 2997 feet per second. This velocity generated approximately 1235 foot-pounds of energy, indicating robust performance.

How did the Federal 5.56 SOST ammunition perform in the ballistic gel test regarding penetration?

In the ballistic gel test, the first shot completely penetrated both blocks of gel. The second shot also demonstrated significant penetration, reaching the 30-32 inch mark, with the lead core remaining in the block.

Does the Federal 5.56 SOST ammunition fragment?

Yes, the Federal 5.56 SOST ammunition showed fragmentation. Fragments were recovered from the ballistic gel between the 7-inch and 12-inch marks, indicating terminal expansion and material shedding.

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