Informal Study of 300 Blackout Projectiles and Drywall

| April 27, 2015 | 0 Comments

Most of our readers engage in defensive training. Their handguns, PDW and rifles are meant for protecting themselves or someone else. A common concern is what happens if we miss. An advanced concern is what happens if we have to shoot through a barrier.

The folks over at Terminal Effect did an informal study on 300 Blackout projectiles and drywall. 300 is a popular cartridge here due to its effectiveness in shorter barrel lengths. 

Please go read the article and return for my short analysis. 

Of particular interest to me were the results of the Double Tap ammunition and the Ozark Ordinance ammunition. The Double Tap is closest to the defensive ammunition I carry. My carry ammo has a barrier blind, solid copper Barnes TAC-TX bullet. The Ozark round is similar to the practice rounds I make out of 147 grain 308 pulls.

As intimated in the article, all rounds passed through the drywall structures. This is to be expected. Interestingly, some of the projectiles veered and tumbled almost immediately, which caused a deviation in their course.

If you are on the defensive and trying not to hurt other occupants in a structure, it’s important to understand that even if the projectile is not headed towards and innocent person initially the bullet may hit them anyway. 

If you are counter attacking an active shooter and intentionally shooting through a barrier, the round may not go where you aimed.

I did not expect to see much change in the Barnes projectile’s trajectory, but I am unhappy with the 147 FMJ. I was hoping to be able to use these in a pinch, but the results seem to vary too wildly. 

The author of the experiment stated he’d like to do it again with ballistic gelatin. I think this is a great idea. I would also like to see starting velocities and the mass of retrieved projectiles.

Good stuff.

About the Author:

Short Barrel Shepherd Short Barrel Shepherd is a regular guy and works to make Web sites and mobile apps easier for people to use. He spends his free time attending fight-focused firearm, knife, and combatives training, motorcycling, writing, and playing games. His daily carry is a Glock 19 pistol and an AR15 .300 Blackout pistol in a backpack.
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