The Bullet That Got Osama Bin Laden (Allegedly)

Published on December 29, 2020
Duration: 13:04

This review details the Black Hills 77gr OTM 5.56mm Mk 262 Mod 1 ammunition, highlighting its premium cost and alleged use by special operations. Testing demonstrates exceptional accuracy with a sub-half-inch group at 50 yards and significant terminal performance, including fragmentation and tissue destruction against various mediums like cinder blocks, steel, watermelons, pork shoulder, and ballistics gel.

Quick Summary

The Black Hills 77gr OTM 5.56mm (Mk 262 Mod 1) ammunition is renowned for its accuracy and terminal performance, allegedly used by special operations. It requires a 1:7 twist barrel for stabilization and demonstrates sub-half-inch accuracy at 50 yards, with significant fragmentation upon impact.

Chapters

  1. 00:00Intro: Black Hills 77 Gr. OTM (Mk 262 Mod 1)
  2. 01:34Technical Specs: 1:7 Twist Rate for 77gr Bullets
  3. 03:03Accuracy Testing: Sub-Half-Inch Group at 50 Yards
  4. 04:03Hard Barrier & Steel Testing: Cinder Block & AR500
  5. 05:15Terminal Ballistics: Watermelon Fragmentation Test
  6. 06:47Terminal Ballistics: Pork Shoulder & Bone Impact
  7. 08:15Ballistics Gel Test: Wound Cavity & Fragmentation
  8. 11:22Fragment Analysis: Jacket & Core Separation

Frequently Asked Questions

What is the Black Hills 77gr OTM 5.56mm ammunition known for?

This ammunition, also designated Mk 262 Mod 1, is known for its high cost, exceptional accuracy, and alleged use by Navy SEALs during the raid that killed Osama Bin Laden. It's favored for its terminal ballistics and fragmentation characteristics.

What barrel twist rate is recommended for 77-grain OTM 5.56mm ammunition?

A 1:7 twist rate barrel is necessary to properly stabilize the heavy 77-grain bullet. Slower twist rates like 1:9 or 1:10 are better suited for lighter bullets, while 1:7 allows for effective long-range performance.

How accurate is the Black Hills 77gr OTM Mk 262 Mod 1 ammunition?

During testing, the ammunition demonstrated exceptional precision, achieving a sub-half-inch three-shot group at 50 yards even when using a non-magnified red dot optic.

What are the terminal ballistics of the 77gr OTM bullet?

The 77gr OTM bullet exhibits significant fragmentation upon hitting soft targets, creating large temporary and permanent wound cavities. It shows explosive exit wounds on watermelons and obliterates pork shoulder, including bone.

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