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Yes, 300 BLK is Great for Deer

300 BLK has gotten a bad rap in the hunting community. A lot of old-timey hunters clutch to their wood stocks and bolt actions, sinisterly eyeing up the modern black rifle – a fine sporting and hunting rifle by any measure – the way Salem’s archaic townsfolk viewed maidens accused of witchcraft. 

But the 300 BLK-chambered AR 15 is great for deer, in the right configuration, shooting the right rounds. Search up “300 BLK hunting” on Google (like we jest with all other controversial topics) and you’ll find a plethora of forums containing posts complaining about hunters using the whisper round. Those folks are using it incorrectly.

(You Have to Go Supersonic!)

We’ll start with this disclaimer: You should not hunt deer with subsonic rounds. Does a subsonic, suppressed AR 15 in 300 BLK have its place in the hunter’s closet? Yes, when it’s used to take small, wild boar at close range. Otherwise, it is not suited for hunting.

But supersonic 300 BLK is wonderful – in fact, it’s better than 5.56 or .223, and we wager you’ll enjoy hunting with supersonic 300 BLK more than you would with .308. Wanna know why?

300 BLK Guns Are Lightweight

308 rifles are heavy, and that makes hunting a pain in the ass – especially when you’re trying to quietly stalk a buck. The average AR 10 platform weighs at least 7.25 pounds and can weight up to 9 pounds, depending on furniture and optics. Every ounce counts on the hunt, and the lightweight 300 BLK provides all the benefits of a compact AR 15 with enough firepower to drop that trophy quickly.

300 BLK Will, in Fact, Drop a Deer

Hunters like to keep things simple when it comes to numbers. Lucky for us, that means the minimum ethical amount of energy required to put a deer down quickly is 1,000 foot-pounds on the nose. While subsonic 300 BLK only packs a paltry 500 foot-pounds of energy, supersonic loads are another story.

The average supersonic, 125-grain 300 BLK round packs 1,360 pound-feet of energy, well above the minimum limit considered necessary for taking a deer. Mind you, this is all accomplished using a mostly stock AR 15 platform – the only difference between a 300 BLK gun and a 5.56 rifle is the barrel and chamber.

300 BLK is Convenient

That brings us to another point: 300 BLK is super-convenient if you’re already a black rifle owner. You get to use the same buttstocks, triggers, handguards, muzzle devices, optics, and all those other goodies that you probably already own.

That makes transforming your existing hardware into a deer hunting rifle a breeze. If you really wanted to keep things quick and easy, you could literally buy a 300 Blackout chambered barrel, slap it on your current AR 15, and go hunt deer.

300 BLK is Accurate

 Obviously, accuracy and shot placement are the two primary keys to successfully hunting deer. That means taking an accurate rifle out in the field. Fate would have it that 300 Blackout is also extremely accurate, especially at distances less than 200 yards.

Our standard 4150 Chromoly barrels are reportedly shooting 1” shot groups at 100 yards, while our stainless 416R barrels are managing somewhere around 0.7” shot groups at 100 yards. Most hunters report taking their shots between 100 yards and 150 yards. That means you get to enjoy laser accuracy in a rifle that’s lighter in weight and more compact than your typical deer rifle.

Optics and Hardware Options are Endless

We already briefly hit on this, but the choice of optics and accuracy-improving hardware available for the AR 15 outnumbers the average deer rifle by exponential figures. There’s simply a bigger market for the AR platform, and that means you get to enjoy more, higher quality components at more affordable prices.

Need more reasons to hunt with 300 Blackout? Probably not, but we could certainly go on comparing 300 LK to other, more conventional deer cartridges – and more often than not, the results will speak for themselves. 300 BLK is great for deer. Most folks just don’t realize it.

DISCLAIMER: If you are new to the world of DIY gun building, you likely have a lot of questions and rightfully so. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. We are by no means providing this content on our website to serve as legal advice or legal counsel. We encourage each and every builder to perform their own research around their respective State laws as well as educating themselves on the Federal laws. When performing your own research, please be sure that you are getting your information from a reliable source.

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