However, the advantage of 300BLK is that it can easily fit into standard AR-15 magazines while retaining their normal capacity. The first caliber to launch under this new line is 300BLK, also known as 300 AAC Blackout or 7.62x35mm.įor those not familiar, 300BLK is a cartridge designed for use with AR-15 platform rifles, and it achieves similar ballistics to the Soviet 7.62x39mm commonly used in the iconic AK-47. This First Choice ammo is designed under the same rigorous standards of quality Daniel Defense applies to their weapons, so you know it can depend on it. With this in mind, Daniel Defense has released new line of ammunition known as First Choice. Just like you wouldn't try to run a Formula 1 race car on crude oil, you shouldn't cheap out when it comes to loading your firearm- especially when those very bullets are putting food on your table, or are the only thing between you and an armed criminal. Don't use subsonic SMK ammo.Even if you're not a firearms expert, it's easy to recognize that a quality gun is nothing without quality ammunition. 223 (AR-15 ammo) when fired out of a barrel thats less than 16 inches long and works reliably with both super- and subsonic ammo. TLDR - use the linked calculator to find your zero distance. If the 220gr subsonic suppressed 300 Blackout round in a 9 inch barrel fired from an AR platform was specifically designed to replace. 300 Blackout Anderson AM15 rifle for Whitetail deer. Now, I’m very happy with my Colt M4 in 5.56 for home defense and my. You'll ring later for sure but you'll hopefully be alive to be annoyed by it. 300 BLK Optics Related topics: Ammo, AR-15. Yep the LeHigh 78g 300blk Close Quarters rounds are designed to dump all their energy within 12-18 inches of hitting the target. With adrenaline pumping the sonic crack will not deafen you I promise. There are LeHigh Defense 79gr Home Defense Rounds that offset the penetration of a traditional 300 blackout grain. If you can not find or afford these types of rounds please use supersonic for your own safety. 300blk subsonic is not a powerful round but lack of recoil coupled with not being disoriented by the loud noise of a unsurppresed firearm and the added accuracy and maneuverability that a braced pistol with a optic gives means you can put alot. All make awesome (but expensive) rounds specifically made to expand at subsonic velocities. Answer (1 of 7): Yes but only if using it suppressed. Some I know of are Lehigh defense, maker, and discreet ballistics. HOWEVER, good expanding subsonic ammo is available and is completely capable of being used in a home defense role. A heart or head shot will still kill but in a stressful situation good ammo can account for less than perfect shots. They pale in comparison to super sonic ammo in every way. They do but they don't expand or transfer energy well. This is where everyone comes out of the wood works to scream subs don't kill people. I would recommend zeroing at 16 yards then confirming at 96 as 16 yards is so close you wont get a perfect zero.Īs for using subs for home defense, please do not use off the shelf 220 smk ammo. If you want to get technical you be 2.5 inch low at 1 yard, spot on at 16 yards, around 2 inch high at the 50 yard mark, back on at 96, and 2.5 low at 110 yards. That means with this zero if I aimed center mass on a 5 in plate I would be able to hit it from 0 yards to 109 yards with no correction. It also tells me my max point blank range with this set up will be 109 yards. Putting this into the calculator it tells me to do a near zero at 16 yards which also means a far zero of 96 yard. 42 coefficient and I used 1050 fps as I don't have actual data on hand. So my gun with a standard height sight is 2.5 in bore height, my rounds have a. I use 5 in as it ensures a head shot tho you could press it to 7 if you want as that is the average height of a face in the united states. You pick the size but for the example I'll use my gun and a 5in target to explain. But guys, it's a freaking 300 Blk - it has actual full power rifle loads available too. At least hopefully the OP will try it on varmints first and realize how poor it is for HD before actually needing it. What this calculator does is tell you the best range to zero at so that you will hit a target of a given size with no holds. Subsonic 300 Blackout is also a crappy choice for home defense, and a relatively poor choice for varmint hunting as well. You'll need to know your bore height (measure center of bore to center of optic) ballistic coefficient which depends on your bullet (Google it), and your velocity (if you don't have a Chrono use 1050 for subs). The best way to figure out what youre asking is to use a point blank ballistic calculator which can be found here, Please read what I say then do your own research to confirm as always but here we go. Having been in the profession of carrying a gun for the last 10ish years and being a huge ballistic nerd I try to chime in with information when I can.
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