November 19th, 2019

The Mother of All Muzzle Brake Tests — PRB’s Epic Research

Cal Zant Precison Rifle Blog AccurateShooter Muzzle Brake Test Noise Recoil Reduction Video

Are you looking for a muzzle brake for your rifle? Then you MUST check out the epic Muzzle Brake Test performed a few seasons back by PrecisionRifleBlog.com. This massive, data-driven field test was organized by PRB head honcho Cal Zant. Over a period of months, Cal and his team tested 20+ muzzle brakes designed for 6mm, 6.5mm, and .30-caliber precision rifles. Hundreds of hours went into this research, which provided vital new insight and empirical data for several aspects of muzzle devices. Cal put a huge amount of labor/engineering into these tests and his findings deserve to be widely read.

Sound Level Test | Recoil Reduction Overview | Staying on Target | Muzzle Blast Test Results

Cal Zant Precison Rifle Blog AccurateShooter Muzzle Brake Test Noise Recoil Reduction VideoThe Muzzle Brake Overview Article covers designs, specs, and prices of 20+ brakes. Then separate, detailed PRB articles cover sound levels, recoil reduction results, ability to stay on target, muzzle blast/ground effects and more. SEE PRB Muzzle Brake Test Results SUMMARY.

GO TO PRB Muzzle Brake Test SUMMARY »

PRB muzzle brake test

Recoil Reduction
Cal created a system to directly measure the entire recoil force signature of each muzzle brake using high-speed sensors. Although the recoil cycle happens very quickly (around 1/100th of a second), his test equipment could record up to 1,000 force data points during a single recoil cycle! He fired over 1,000 rounds of match-grade ammo through four different rifles: 6XC, 6.5 Creedmoor, .308 Win, and the monster .300 Norma Magnum. He literally spent thousands of dollars on this part of the test, to ensure he got it right.

Cartridge Types Tested: 6XC, 6.5 Creedmoor, .308 Win, and .300 Norma Magnum

Cal Zant Precison Rifle Blog AccurateShooter Muzzle Brake Test Noise Recoil Reduction Video

Ability To Stay On Target
David Tubb helped Cal develop this part of the test, because David believes this is the most important aspect of a muzzle brake. Using a laser and high-speed camera, Cal was able to objectively quantify how well each design helped you stay on target.

Noise Level
Muzzle brakes are loud, but some are louder than others … three to four times as loud. Cal enlisted the help of an expert from the suppressor industry to precisely measure how much louder each muzzle brake made a rifle. Each brake was tested in accordance with MIL-STD-1474D using calibrated military-approved equipment, and the noise level was also tested at the shooter’s position.

Cal Zant Precison Rifle Blog AccurateShooter Muzzle Brake Test Noise Recoil Reduction Video

Recoil Reduction Summaries by Caliber
In the detailed summaries of recoil reduction test results, PRB provides hard data that might surprise a few people and even dispel a few myths. Particularly interesting is Zant’s comparison of recoil reduction with a suppressor compared to muzzle brakes. How do you think the suppressor performed compared to the brakes? You may be surprised.

Here are brake test findings for 6mm and 6.5mm. Click image for Test Results.

Cal Zant Precison Rifle Blog AccurateShooter Muzzle Brake Test Noise Recoil Reduction Video

Here are brake test findings for .308 Caliber. Click image for Test Results.

Cal Zant Precison Rifle Blog AccurateShooter Muzzle Brake Test Noise Recoil Reduction Video

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