WOW 6.8x51 vs. 6.5 PRC

Published on September 18, 2024
Duration: 0:48

This expert-level analysis from Military Arms Channel compares the 6.8x51mm (.277 Fury) and 6.5 PRC cartridges. Despite the 6.8x51mm using a heavier bullet from a significantly shorter barrel (16-inch), it achieved a comparable velocity (2761 fps) to the 6.5 PRC (2868 fps) from a longer 24-inch barrel. This unexpected performance highlights the efficiency of the 6.8x51mm cartridge.

Quick Summary

In a ballistic comparison, the 6.8x51mm (.277 Fury) cartridge achieved a muzzle velocity of 2761 fps with a 155-grain bullet from a 16-inch barrel. This is remarkably close to the 6.5 PRC's velocity of 2868 fps with a 143-grain bullet from a longer 24-inch barrel, showcasing the 6.8x51mm's efficiency.

Chapters

  1. 00:00Initial Caliber Comparison Overview
  2. 00:146.5 PRC Velocity Test
  3. 00:276.8x51 Velocity Test
  4. 00:40Velocity Results Summary

Frequently Asked Questions

What is the muzzle velocity of the 6.5 PRC in this comparison?

The 6.5 PRC, tested with a 143-grain bullet from a 24-inch barrel, achieved a measured muzzle velocity of 2868 feet per second. This data was collected using a Labradar chronograph.

How does the 6.8x51mm (.277 Fury) perform against the 6.5 PRC in terms of velocity?

Surprisingly, the 6.8x51mm (.277 Fury), firing a heavier 155-grain bullet from a shorter 16-inch barrel, achieved a very similar velocity of 2761 feet per second to the 6.5 PRC. This indicates high efficiency for the 6.8x51mm.

What firearms were used in the 6.8x51mm vs 6.5 PRC velocity test?

The 6.5 PRC was tested with a Sig Sauer Cross rifle featuring a 24-inch barrel. The 6.8x51mm (.277 Fury) was tested with a SIG MCX Spear rifle equipped with a 16-inch barrel.

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