Velocity Test: Fiocchi Sierra MatchKing 69 grain .223 (2,850 fps)

Published on May 29, 2025
Duration: 0:26

This video provides a practical velocity test of Fiocchi 69-grain Sierra MatchKing .223 ammunition across three different AR-style rifle barrel lengths: 7.5 inches, 16 inches, and 20 inches. The presenter, demonstrating experienced authority, uses a Caldwell Ballistic Precision Chronograph to record actual muzzle velocities, revealing significant differences based on barrel length. The data highlights how barrel length impacts projectile speed, offering valuable insights for firearm owners and enthusiasts.

Quick Summary

A velocity test of Fiocchi 69-grain Sierra MatchKing .223 ammunition across different AR-15 barrel lengths revealed significant velocity differences. A 7.5-inch barrel produced 2146 fps, a 16-inch barrel yielded 2679 fps, and a 20-inch barrel achieved 2796 fps, demonstrating the impact of barrel length on projectile speed.

Chapters

  1. 00:00Introduction: Rifles Displayed
  2. 00:02Ammunition Details: Fiocchi 69gr .223
  3. 00:067.5 Inch Barrel Test Setup
  4. 00:107.5 Inch Barrel Velocity Results
  5. 00:1216 Inch Barrel Test Setup
  6. 00:1516 Inch Barrel Velocity Results
  7. 00:1820 Inch Barrel Test Setup
  8. 00:2220 Inch Barrel Velocity Results

Frequently Asked Questions

What is the advertised velocity for Fiocchi 69-grain Sierra MatchKing .223 ammunition?

The Fiocchi HYPERFORMANCE Sierra MatchKing 69-grain .223 ammunition is advertised with a velocity of 2850 feet per second (fps).

How does barrel length affect the velocity of Fiocchi 69-grain .223 ammunition?

Barrel length significantly impacts velocity. In this test, a 7.5-inch barrel yielded 2146 fps, a 16-inch barrel produced 2679 fps, and a 20-inch barrel achieved 2796 fps.

What tools are needed for a ballistic velocity test like this?

A ballistic velocity test requires a chronograph, such as the Caldwell Ballistic Precision Chronograph used in this video, and a firearm loaded with the ammunition to be tested.

Is Fiocchi 69-grain Sierra MatchKing .223 ammunition suitable for short-barreled rifles?

While it can be fired, the velocity is significantly reduced in short barrels (e.g., 7.5 inches), impacting its performance characteristics. Longer barrels are generally more efficient for this ammunition.

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