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Category: Internal Ballistics


Backyard Ballistics Report: Accurate #9 to the Rescue

September 13, 2019
Meet Daryl Colvin, the Backyard Ballistician. Today he works his magic with a difficult project.....9mm Luger and dead soft lead bullets. His solution surprised us.

Barrel Length and Velocity–Let’s Cut to the Chase

July 22, 2019
Are you curious how barrel length impacts velocity?  So were we.  Luckily we have a ballistics lab and a machine shop at our disposal.

Suppressors and Velocity Part II

June 18, 2019
We were able to round up four more firearms for testing with our Form 1 suppressor.  Here are the results.

Suppressors and Velocity Part 1

June 11, 2019
Do suppressors increase velocity? Using this combination of suppressor, pistol and ammunition, the answer was yes.

“Cratered and Pierced Primers” in the .308 AR Family

February 28, 2019
Ron Colvin, along with his brother Daryl, are two of the most technically accomplished handloaders you could hope to meet. This look at primer cratering at relatively low pressures is a masterwork on the subject.

Handloading For Prepper’s

January 9, 2018
Following up on Shea's Survival Arsenal, Bart looks at Suppressed, Downloaded, and Combat loads for the .38 Special, .308 Winchester, .223 Remington and the 12 Gauge shotgun.

Making Good with Range Brass

December 27, 2017
Competitive Three-Gun shooter, Sterling White offers tips on getting range brass back into shooting condition.

Why Choose a 223 Ackley Improved

November 10, 2017
One of our favorite writers, Bill Craig, is back with a look at the .223 Ackley Improved.

Remington’s Ultimate Muzzleloader

September 13, 2017
Blackhorn 209 loads for the Remington Ultimate Muzzleloader.

Dear Labby: Questions For Our Ballistics Lab

September 7, 2017
Write to us with your ballistics and shooting questions. Dear Labby is here to help.